{
  "snapshot_id": "snapshot_2026_06_03_10000_records",
  "generated_at": "2026-06-03",
  "method": "Challenge queues are deterministic review-workflow queues generated from evidence capsules. Queue order is for review operations only and is not a ranking, severity score, safety score, prevalence estimate, legal finding, endorsement, or external audit.",
  "queue_count": 7,
  "packet_count": 75,
  "queues": [
    {
      "id": "single_source_high_priority",
      "label": "Single-source high-priority review",
      "description": "Single-source records where additional public support or narrower language would improve reviewability.",
      "records": [
        {
          "event_id": "evt_2026_1543",
          "school_id": "adams_state_university",
          "school_name": "Adams State University",
          "category": "Vandalism",
          "affected_communities": [
            "Race"
          ],
          "confidence": "Medium",
          "date_precision": "year",
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            "institutional_response_challenge",
            "confidence_challenge",
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            "source_sufficiency_challenge"
          ],
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          ],
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          "event_url": "/events/evt_2026_1543/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_1543"
        },
        {
          "event_id": "evt_2026_2764",
          "school_id": "alaska_pacific_university",
          "school_name": "Alaska Pacific University",
          "category": "Vandalism",
          "affected_communities": [
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          ],
          "confidence": "Medium",
          "date_precision": "year",
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            "confidence_challenge",
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          "event_url": "/events/evt_2026_2764/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_2764"
        },
        {
          "event_id": "evt_2026_3742",
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          "school_name": "Alaska Vocational Technical Center",
          "category": "Vandalism",
          "affected_communities": [
            "Race"
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          "confidence": "Medium",
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          "workspace_url": "/research-workspace/?record_ids=evt_2026_3742"
        },
        {
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          "category": "Other source-backed civil rights event",
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        },
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        {
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        },
        {
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        },
        {
          "event_id": "evt_2026_3134",
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          "school_name": "Albion College",
          "category": "Harassment or threat",
          "affected_communities": [
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        },
        {
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        },
        {
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          "school_name": "Albion College",
          "category": "Vandalism",
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        {
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        {
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          "affected_communities": [
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          "event_url": "/events/evt_2026_2393/",
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        },
        {
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        },
        {
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        },
        {
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          ],
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        },
        {
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        {
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        },
        {
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        {
          "event_id": "evt_2026_1341",
          "school_id": "american_university",
          "school_name": "American University",
          "category": "Harassment or threat",
          "affected_communities": [
            "Ethnicity"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_1341",
          "event_url": "/events/evt_2026_1341/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_1341"
        },
        {
          "event_id": "evt_2026_1396",
          "school_id": "american_university",
          "school_name": "American University",
          "category": "Harassment or threat",
          "affected_communities": [
            "Ethnicity"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_1396",
          "event_url": "/events/evt_2026_1396/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_1396"
        }
      ]
    },
    {
      "id": "broad_label_challenges",
      "label": "Broad-label challenges",
      "description": "Records with broad category or affected-community labels that deserve label-boundary review.",
      "records": [
        {
          "event_id": "evt_2026_1543",
          "school_id": "adams_state_university",
          "school_name": "Adams State University",
          "category": "Vandalism",
          "affected_communities": [
            "Race"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_1543",
          "event_url": "/events/evt_2026_1543/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_1543"
        },
        {
          "event_id": "evt_2026_3742",
          "school_id": "alaska_vocational_technical_center",
          "school_name": "Alaska Vocational Technical Center",
          "category": "Vandalism",
          "affected_communities": [
            "Race"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_3742",
          "event_url": "/events/evt_2026_3742/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_3742"
        },
        {
          "event_id": "evt_2026_2164",
          "school_id": "albert_einstein_college_of_medicine",
          "school_name": "Albert Einstein College of Medicine",
          "category": "Other source-backed civil rights event",
          "affected_communities": [
            "Religion"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge",
            "category_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_2164",
          "event_url": "/events/evt_2026_2164/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_2164"
        },
        {
          "event_id": "evt_2026_2262",
          "school_id": "albert_einstein_college_of_medicine",
          "school_name": "Albert Einstein College of Medicine",
          "category": "Vandalism",
          "affected_communities": [
            "Race"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_2262",
          "event_url": "/events/evt_2026_2262/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_2262"
        },
        {
          "event_id": "evt_2026_3673",
          "school_id": "albert_einstein_college_of_medicine",
          "school_name": "Albert Einstein College of Medicine",
          "category": "Other source-backed civil rights event",
          "affected_communities": [
            "Religion"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge",
            "category_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_3673",
          "event_url": "/events/evt_2026_3673/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_3673"
        },
        {
          "event_id": "evt_2026_2444",
          "school_id": "albion_college",
          "school_name": "Albion College",
          "category": "Harassment or threat",
          "affected_communities": [
            "Race"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_2444",
          "event_url": "/events/evt_2026_2444/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_2444"
        },
        {
          "event_id": "evt_2026_3299",
          "school_id": "albion_college",
          "school_name": "Albion College",
          "category": "Harassment or threat",
          "affected_communities": [
            "Race"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_3299",
          "event_url": "/events/evt_2026_3299/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_3299"
        },
        {
          "event_id": "evt_2026_3762",
          "school_id": "albion_college",
          "school_name": "Albion College",
          "category": "Vandalism",
          "affected_communities": [
            "Race"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_3762",
          "event_url": "/events/evt_2026_3762/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_3762"
        },
        {
          "event_id": "evt_2026_0208",
          "school_id": "allegheny_college",
          "school_name": "Allegheny College",
          "category": "Harassment or threat",
          "affected_communities": [
            "Race"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_0208",
          "event_url": "/events/evt_2026_0208/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_0208"
        },
        {
          "event_id": "evt_2026_2059",
          "school_id": "allegheny_college",
          "school_name": "Allegheny College",
          "category": "Vandalism",
          "affected_communities": [
            "Religion"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_2059",
          "event_url": "/events/evt_2026_2059/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_2059"
        },
        {
          "event_id": "evt_2026_2457",
          "school_id": "allegheny_college",
          "school_name": "Allegheny College",
          "category": "Harassment or threat",
          "affected_communities": [
            "Race"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_2457",
          "event_url": "/events/evt_2026_2457/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_2457"
        },
        {
          "event_id": "evt_2026_3654",
          "school_id": "allegheny_college",
          "school_name": "Allegheny College",
          "category": "Vandalism",
          "affected_communities": [
            "Religion"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_3654",
          "event_url": "/events/evt_2026_3654/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_3654"
        },
        {
          "event_id": "evt_2026_2199",
          "school_id": "alliant_international_university_san_diego",
          "school_name": "Alliant International University-San Diego",
          "category": "Harassment or threat",
          "affected_communities": [
            "Race"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_2199",
          "event_url": "/events/evt_2026_2199/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_2199"
        },
        {
          "event_id": "evt_2026_2393",
          "school_id": "alliant_international_university_san_diego",
          "school_name": "Alliant International University-San Diego",
          "category": "Harassment or threat",
          "affected_communities": [
            "Race"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_2393",
          "event_url": "/events/evt_2026_2393/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_2393"
        },
        {
          "event_id": "evt_2026_2106",
          "school_id": "american_jewish_university",
          "school_name": "American Jewish University",
          "category": "Harassment or threat",
          "affected_communities": [
            "Religion"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_2106",
          "event_url": "/events/evt_2026_2106/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_2106"
        },
        {
          "event_id": "evt_2026_0585",
          "school_id": "american_musical_and_dramatic_academy",
          "school_name": "American Musical and Dramatic Academy",
          "category": "Vandalism",
          "affected_communities": [
            "Ethnicity"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_0585",
          "event_url": "/events/evt_2026_0585/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_0585"
        },
        {
          "event_id": "evt_2026_0683",
          "school_id": "american_university",
          "school_name": "American University",
          "category": "Vandalism",
          "affected_communities": [
            "Religion"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_0683",
          "event_url": "/events/evt_2026_0683/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_0683"
        },
        {
          "event_id": "evt_2026_0866",
          "school_id": "american_university",
          "school_name": "American University",
          "category": "Harassment or threat",
          "affected_communities": [
            "Religion"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_0866",
          "event_url": "/events/evt_2026_0866/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_0866"
        },
        {
          "event_id": "evt_2026_1182",
          "school_id": "american_university",
          "school_name": "American University",
          "category": "Vandalism",
          "affected_communities": [
            "Ethnicity"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_1182",
          "event_url": "/events/evt_2026_1182/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_1182"
        },
        {
          "event_id": "evt_2026_1341",
          "school_id": "american_university",
          "school_name": "American University",
          "category": "Harassment or threat",
          "affected_communities": [
            "Ethnicity"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_1341",
          "event_url": "/events/evt_2026_1341/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_1341"
        },
        {
          "event_id": "evt_2026_1396",
          "school_id": "american_university",
          "school_name": "American University",
          "category": "Harassment or threat",
          "affected_communities": [
            "Ethnicity"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_1396",
          "event_url": "/events/evt_2026_1396/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_1396"
        },
        {
          "event_id": "evt_2026_1421",
          "school_id": "american_university",
          "school_name": "American University",
          "category": "Vandalism",
          "affected_communities": [
            "Religion"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_1421",
          "event_url": "/events/evt_2026_1421/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_1421"
        },
        {
          "event_id": "evt_2026_2473",
          "school_id": "american_university",
          "school_name": "American University",
          "category": "Harassment or threat",
          "affected_communities": [
            "Ethnicity"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_2473",
          "event_url": "/events/evt_2026_2473/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_2473"
        },
        {
          "event_id": "evt_2026_2538",
          "school_id": "american_university",
          "school_name": "American University",
          "category": "Vandalism",
          "affected_communities": [
            "Ethnicity"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_2538",
          "event_url": "/events/evt_2026_2538/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_2538"
        },
        {
          "event_id": "evt_2026_2594",
          "school_id": "american_university",
          "school_name": "American University",
          "category": "Harassment or threat",
          "affected_communities": [
            "Ethnicity"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_2594",
          "event_url": "/events/evt_2026_2594/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_2594"
        }
      ]
    },
    {
      "id": "response_depth_challenges",
      "label": "Institutional-response challenges",
      "description": "Records where public response text or response-depth classification should be checked against public sources.",
      "records": [
        {
          "event_id": "evt_2026_1543",
          "school_id": "adams_state_university",
          "school_name": "Adams State University",
          "category": "Vandalism",
          "affected_communities": [
            "Race"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_1543",
          "event_url": "/events/evt_2026_1543/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_1543"
        },
        {
          "event_id": "evt_2026_2764",
          "school_id": "alaska_pacific_university",
          "school_name": "Alaska Pacific University",
          "category": "Vandalism",
          "affected_communities": [
            "LGBTQ+"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_2764",
          "event_url": "/events/evt_2026_2764/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_2764"
        },
        {
          "event_id": "evt_2026_3742",
          "school_id": "alaska_vocational_technical_center",
          "school_name": "Alaska Vocational Technical Center",
          "category": "Vandalism",
          "affected_communities": [
            "Race"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_3742",
          "event_url": "/events/evt_2026_3742/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_3742"
        },
        {
          "event_id": "evt_2026_2164",
          "school_id": "albert_einstein_college_of_medicine",
          "school_name": "Albert Einstein College of Medicine",
          "category": "Other source-backed civil rights event",
          "affected_communities": [
            "Religion"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge",
            "category_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_2164",
          "event_url": "/events/evt_2026_2164/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_2164"
        },
        {
          "event_id": "evt_2026_2262",
          "school_id": "albert_einstein_college_of_medicine",
          "school_name": "Albert Einstein College of Medicine",
          "category": "Vandalism",
          "affected_communities": [
            "Race"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_2262",
          "event_url": "/events/evt_2026_2262/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_2262"
        },
        {
          "event_id": "evt_2026_3673",
          "school_id": "albert_einstein_college_of_medicine",
          "school_name": "Albert Einstein College of Medicine",
          "category": "Other source-backed civil rights event",
          "affected_communities": [
            "Religion"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge",
            "category_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_3673",
          "event_url": "/events/evt_2026_3673/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_3673"
        },
        {
          "event_id": "evt_2026_2444",
          "school_id": "albion_college",
          "school_name": "Albion College",
          "category": "Harassment or threat",
          "affected_communities": [
            "Race"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_2444",
          "event_url": "/events/evt_2026_2444/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_2444"
        },
        {
          "event_id": "evt_2026_2483",
          "school_id": "albion_college",
          "school_name": "Albion College",
          "category": "Harassment or threat",
          "affected_communities": [
            "LGBTQ+"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_2483",
          "event_url": "/events/evt_2026_2483/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_2483"
        },
        {
          "event_id": "evt_2026_3134",
          "school_id": "albion_college",
          "school_name": "Albion College",
          "category": "Harassment or threat",
          "affected_communities": [
            "Students with disabilities"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_3134",
          "event_url": "/events/evt_2026_3134/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_3134"
        },
        {
          "event_id": "evt_2026_3299",
          "school_id": "albion_college",
          "school_name": "Albion College",
          "category": "Harassment or threat",
          "affected_communities": [
            "Race"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_3299",
          "event_url": "/events/evt_2026_3299/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_3299"
        },
        {
          "event_id": "evt_2026_3762",
          "school_id": "albion_college",
          "school_name": "Albion College",
          "category": "Vandalism",
          "affected_communities": [
            "Race"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_3762",
          "event_url": "/events/evt_2026_3762/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_3762"
        },
        {
          "event_id": "evt_2026_0208",
          "school_id": "allegheny_college",
          "school_name": "Allegheny College",
          "category": "Harassment or threat",
          "affected_communities": [
            "Race"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_0208",
          "event_url": "/events/evt_2026_0208/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_0208"
        },
        {
          "event_id": "evt_2026_2059",
          "school_id": "allegheny_college",
          "school_name": "Allegheny College",
          "category": "Vandalism",
          "affected_communities": [
            "Religion"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_2059",
          "event_url": "/events/evt_2026_2059/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_2059"
        },
        {
          "event_id": "evt_2026_2457",
          "school_id": "allegheny_college",
          "school_name": "Allegheny College",
          "category": "Harassment or threat",
          "affected_communities": [
            "Race"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_2457",
          "event_url": "/events/evt_2026_2457/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_2457"
        },
        {
          "event_id": "evt_2026_3654",
          "school_id": "allegheny_college",
          "school_name": "Allegheny College",
          "category": "Vandalism",
          "affected_communities": [
            "Religion"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_3654",
          "event_url": "/events/evt_2026_3654/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_3654"
        },
        {
          "event_id": "evt_2026_2199",
          "school_id": "alliant_international_university_san_diego",
          "school_name": "Alliant International University-San Diego",
          "category": "Harassment or threat",
          "affected_communities": [
            "Race"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_2199",
          "event_url": "/events/evt_2026_2199/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_2199"
        },
        {
          "event_id": "evt_2026_2393",
          "school_id": "alliant_international_university_san_diego",
          "school_name": "Alliant International University-San Diego",
          "category": "Harassment or threat",
          "affected_communities": [
            "Race"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_2393",
          "event_url": "/events/evt_2026_2393/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_2393"
        },
        {
          "event_id": "evt_2026_2106",
          "school_id": "american_jewish_university",
          "school_name": "American Jewish University",
          "category": "Harassment or threat",
          "affected_communities": [
            "Religion"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_2106",
          "event_url": "/events/evt_2026_2106/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_2106"
        },
        {
          "event_id": "evt_2026_0585",
          "school_id": "american_musical_and_dramatic_academy",
          "school_name": "American Musical and Dramatic Academy",
          "category": "Vandalism",
          "affected_communities": [
            "Ethnicity"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_0585",
          "event_url": "/events/evt_2026_0585/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_0585"
        },
        {
          "event_id": "evt_2026_0683",
          "school_id": "american_university",
          "school_name": "American University",
          "category": "Vandalism",
          "affected_communities": [
            "Religion"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_0683",
          "event_url": "/events/evt_2026_0683/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_0683"
        },
        {
          "event_id": "evt_2026_0866",
          "school_id": "american_university",
          "school_name": "American University",
          "category": "Harassment or threat",
          "affected_communities": [
            "Religion"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_0866",
          "event_url": "/events/evt_2026_0866/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_0866"
        },
        {
          "event_id": "evt_2026_1029",
          "school_id": "american_university",
          "school_name": "American University",
          "category": "Vandalism",
          "affected_communities": [
            "LGBTQ+"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_1029",
          "event_url": "/events/evt_2026_1029/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_1029"
        },
        {
          "event_id": "evt_2026_1182",
          "school_id": "american_university",
          "school_name": "American University",
          "category": "Vandalism",
          "affected_communities": [
            "Ethnicity"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_1182",
          "event_url": "/events/evt_2026_1182/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_1182"
        },
        {
          "event_id": "evt_2026_1341",
          "school_id": "american_university",
          "school_name": "American University",
          "category": "Harassment or threat",
          "affected_communities": [
            "Ethnicity"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_1341",
          "event_url": "/events/evt_2026_1341/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_1341"
        },
        {
          "event_id": "evt_2026_1396",
          "school_id": "american_university",
          "school_name": "American University",
          "category": "Harassment or threat",
          "affected_communities": [
            "Ethnicity"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_1396",
          "event_url": "/events/evt_2026_1396/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_1396"
        }
      ]
    },
    {
      "id": "confidence_rationale_challenges",
      "label": "Confidence-rationale challenges",
      "description": "Records where confidence labels need explicit source-support rationale.",
      "records": [
        {
          "event_id": "evt_2026_1543",
          "school_id": "adams_state_university",
          "school_name": "Adams State University",
          "category": "Vandalism",
          "affected_communities": [
            "Race"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_1543",
          "event_url": "/events/evt_2026_1543/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_1543"
        },
        {
          "event_id": "evt_2026_2764",
          "school_id": "alaska_pacific_university",
          "school_name": "Alaska Pacific University",
          "category": "Vandalism",
          "affected_communities": [
            "LGBTQ+"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_2764",
          "event_url": "/events/evt_2026_2764/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_2764"
        },
        {
          "event_id": "evt_2026_3742",
          "school_id": "alaska_vocational_technical_center",
          "school_name": "Alaska Vocational Technical Center",
          "category": "Vandalism",
          "affected_communities": [
            "Race"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_3742",
          "event_url": "/events/evt_2026_3742/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_3742"
        },
        {
          "event_id": "evt_2026_2164",
          "school_id": "albert_einstein_college_of_medicine",
          "school_name": "Albert Einstein College of Medicine",
          "category": "Other source-backed civil rights event",
          "affected_communities": [
            "Religion"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge",
            "category_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_2164",
          "event_url": "/events/evt_2026_2164/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_2164"
        },
        {
          "event_id": "evt_2026_2262",
          "school_id": "albert_einstein_college_of_medicine",
          "school_name": "Albert Einstein College of Medicine",
          "category": "Vandalism",
          "affected_communities": [
            "Race"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_2262",
          "event_url": "/events/evt_2026_2262/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_2262"
        },
        {
          "event_id": "evt_2026_3673",
          "school_id": "albert_einstein_college_of_medicine",
          "school_name": "Albert Einstein College of Medicine",
          "category": "Other source-backed civil rights event",
          "affected_communities": [
            "Religion"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge",
            "category_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_3673",
          "event_url": "/events/evt_2026_3673/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_3673"
        },
        {
          "event_id": "evt_2026_2444",
          "school_id": "albion_college",
          "school_name": "Albion College",
          "category": "Harassment or threat",
          "affected_communities": [
            "Race"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_2444",
          "event_url": "/events/evt_2026_2444/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_2444"
        },
        {
          "event_id": "evt_2026_2483",
          "school_id": "albion_college",
          "school_name": "Albion College",
          "category": "Harassment or threat",
          "affected_communities": [
            "LGBTQ+"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_2483",
          "event_url": "/events/evt_2026_2483/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_2483"
        },
        {
          "event_id": "evt_2026_3134",
          "school_id": "albion_college",
          "school_name": "Albion College",
          "category": "Harassment or threat",
          "affected_communities": [
            "Students with disabilities"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_3134",
          "event_url": "/events/evt_2026_3134/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_3134"
        },
        {
          "event_id": "evt_2026_3299",
          "school_id": "albion_college",
          "school_name": "Albion College",
          "category": "Harassment or threat",
          "affected_communities": [
            "Race"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_3299",
          "event_url": "/events/evt_2026_3299/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_3299"
        },
        {
          "event_id": "evt_2026_3762",
          "school_id": "albion_college",
          "school_name": "Albion College",
          "category": "Vandalism",
          "affected_communities": [
            "Race"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_3762",
          "event_url": "/events/evt_2026_3762/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_3762"
        },
        {
          "event_id": "evt_2026_0208",
          "school_id": "allegheny_college",
          "school_name": "Allegheny College",
          "category": "Harassment or threat",
          "affected_communities": [
            "Race"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_0208",
          "event_url": "/events/evt_2026_0208/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_0208"
        },
        {
          "event_id": "evt_2026_2059",
          "school_id": "allegheny_college",
          "school_name": "Allegheny College",
          "category": "Vandalism",
          "affected_communities": [
            "Religion"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_2059",
          "event_url": "/events/evt_2026_2059/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_2059"
        },
        {
          "event_id": "evt_2026_2457",
          "school_id": "allegheny_college",
          "school_name": "Allegheny College",
          "category": "Harassment or threat",
          "affected_communities": [
            "Race"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_2457",
          "event_url": "/events/evt_2026_2457/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_2457"
        },
        {
          "event_id": "evt_2026_3654",
          "school_id": "allegheny_college",
          "school_name": "Allegheny College",
          "category": "Vandalism",
          "affected_communities": [
            "Religion"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
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            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_3654",
          "event_url": "/events/evt_2026_3654/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_3654"
        },
        {
          "event_id": "evt_2026_2199",
          "school_id": "alliant_international_university_san_diego",
          "school_name": "Alliant International University-San Diego",
          "category": "Harassment or threat",
          "affected_communities": [
            "Race"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_2199",
          "event_url": "/events/evt_2026_2199/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_2199"
        },
        {
          "event_id": "evt_2026_2393",
          "school_id": "alliant_international_university_san_diego",
          "school_name": "Alliant International University-San Diego",
          "category": "Harassment or threat",
          "affected_communities": [
            "Race"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_2393",
          "event_url": "/events/evt_2026_2393/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_2393"
        },
        {
          "event_id": "evt_2026_2106",
          "school_id": "american_jewish_university",
          "school_name": "American Jewish University",
          "category": "Harassment or threat",
          "affected_communities": [
            "Religion"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_2106",
          "event_url": "/events/evt_2026_2106/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_2106"
        },
        {
          "event_id": "evt_2026_0585",
          "school_id": "american_musical_and_dramatic_academy",
          "school_name": "American Musical and Dramatic Academy",
          "category": "Vandalism",
          "affected_communities": [
            "Ethnicity"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_0585",
          "event_url": "/events/evt_2026_0585/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_0585"
        },
        {
          "event_id": "evt_2026_0683",
          "school_id": "american_university",
          "school_name": "American University",
          "category": "Vandalism",
          "affected_communities": [
            "Religion"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_0683",
          "event_url": "/events/evt_2026_0683/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_0683"
        },
        {
          "event_id": "evt_2026_0866",
          "school_id": "american_university",
          "school_name": "American University",
          "category": "Harassment or threat",
          "affected_communities": [
            "Religion"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_0866",
          "event_url": "/events/evt_2026_0866/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_0866"
        },
        {
          "event_id": "evt_2026_1029",
          "school_id": "american_university",
          "school_name": "American University",
          "category": "Vandalism",
          "affected_communities": [
            "LGBTQ+"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_1029",
          "event_url": "/events/evt_2026_1029/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_1029"
        },
        {
          "event_id": "evt_2026_1182",
          "school_id": "american_university",
          "school_name": "American University",
          "category": "Vandalism",
          "affected_communities": [
            "Ethnicity"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_1182",
          "event_url": "/events/evt_2026_1182/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_1182"
        },
        {
          "event_id": "evt_2026_1341",
          "school_id": "american_university",
          "school_name": "American University",
          "category": "Harassment or threat",
          "affected_communities": [
            "Ethnicity"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_1341",
          "event_url": "/events/evt_2026_1341/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_1341"
        },
        {
          "event_id": "evt_2026_1396",
          "school_id": "american_university",
          "school_name": "American University",
          "category": "Harassment or threat",
          "affected_communities": [
            "Ethnicity"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_1396",
          "event_url": "/events/evt_2026_1396/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_1396"
        }
      ]
    },
    {
      "id": "dataset_locator_challenges",
      "label": "Dataset locator challenges",
      "description": "Dataset-derived records where workbook, row, or cell-level provenance should be made clearer.",
      "records": [
        {
          "event_id": "evt_2026_1543",
          "school_id": "adams_state_university",
          "school_name": "Adams State University",
          "category": "Vandalism",
          "affected_communities": [
            "Race"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_1543",
          "event_url": "/events/evt_2026_1543/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_1543"
        },
        {
          "event_id": "evt_2026_2764",
          "school_id": "alaska_pacific_university",
          "school_name": "Alaska Pacific University",
          "category": "Vandalism",
          "affected_communities": [
            "LGBTQ+"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_2764",
          "event_url": "/events/evt_2026_2764/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_2764"
        },
        {
          "event_id": "evt_2026_3742",
          "school_id": "alaska_vocational_technical_center",
          "school_name": "Alaska Vocational Technical Center",
          "category": "Vandalism",
          "affected_communities": [
            "Race"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_3742",
          "event_url": "/events/evt_2026_3742/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_3742"
        },
        {
          "event_id": "evt_2026_2164",
          "school_id": "albert_einstein_college_of_medicine",
          "school_name": "Albert Einstein College of Medicine",
          "category": "Other source-backed civil rights event",
          "affected_communities": [
            "Religion"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge",
            "category_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_2164",
          "event_url": "/events/evt_2026_2164/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_2164"
        },
        {
          "event_id": "evt_2026_2262",
          "school_id": "albert_einstein_college_of_medicine",
          "school_name": "Albert Einstein College of Medicine",
          "category": "Vandalism",
          "affected_communities": [
            "Race"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_2262",
          "event_url": "/events/evt_2026_2262/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_2262"
        },
        {
          "event_id": "evt_2026_3673",
          "school_id": "albert_einstein_college_of_medicine",
          "school_name": "Albert Einstein College of Medicine",
          "category": "Other source-backed civil rights event",
          "affected_communities": [
            "Religion"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge",
            "category_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_3673",
          "event_url": "/events/evt_2026_3673/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_3673"
        },
        {
          "event_id": "evt_2026_2444",
          "school_id": "albion_college",
          "school_name": "Albion College",
          "category": "Harassment or threat",
          "affected_communities": [
            "Race"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_2444",
          "event_url": "/events/evt_2026_2444/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_2444"
        },
        {
          "event_id": "evt_2026_2483",
          "school_id": "albion_college",
          "school_name": "Albion College",
          "category": "Harassment or threat",
          "affected_communities": [
            "LGBTQ+"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_2483",
          "event_url": "/events/evt_2026_2483/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_2483"
        },
        {
          "event_id": "evt_2026_3134",
          "school_id": "albion_college",
          "school_name": "Albion College",
          "category": "Harassment or threat",
          "affected_communities": [
            "Students with disabilities"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_3134",
          "event_url": "/events/evt_2026_3134/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_3134"
        },
        {
          "event_id": "evt_2026_3299",
          "school_id": "albion_college",
          "school_name": "Albion College",
          "category": "Harassment or threat",
          "affected_communities": [
            "Race"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_3299",
          "event_url": "/events/evt_2026_3299/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_3299"
        },
        {
          "event_id": "evt_2026_3762",
          "school_id": "albion_college",
          "school_name": "Albion College",
          "category": "Vandalism",
          "affected_communities": [
            "Race"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_3762",
          "event_url": "/events/evt_2026_3762/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_3762"
        },
        {
          "event_id": "evt_2026_0208",
          "school_id": "allegheny_college",
          "school_name": "Allegheny College",
          "category": "Harassment or threat",
          "affected_communities": [
            "Race"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_0208",
          "event_url": "/events/evt_2026_0208/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_0208"
        },
        {
          "event_id": "evt_2026_2059",
          "school_id": "allegheny_college",
          "school_name": "Allegheny College",
          "category": "Vandalism",
          "affected_communities": [
            "Religion"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_2059",
          "event_url": "/events/evt_2026_2059/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_2059"
        },
        {
          "event_id": "evt_2026_2457",
          "school_id": "allegheny_college",
          "school_name": "Allegheny College",
          "category": "Harassment or threat",
          "affected_communities": [
            "Race"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_2457",
          "event_url": "/events/evt_2026_2457/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_2457"
        },
        {
          "event_id": "evt_2026_3654",
          "school_id": "allegheny_college",
          "school_name": "Allegheny College",
          "category": "Vandalism",
          "affected_communities": [
            "Religion"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_3654",
          "event_url": "/events/evt_2026_3654/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_3654"
        },
        {
          "event_id": "evt_2026_2199",
          "school_id": "alliant_international_university_san_diego",
          "school_name": "Alliant International University-San Diego",
          "category": "Harassment or threat",
          "affected_communities": [
            "Race"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_2199",
          "event_url": "/events/evt_2026_2199/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_2199"
        },
        {
          "event_id": "evt_2026_2393",
          "school_id": "alliant_international_university_san_diego",
          "school_name": "Alliant International University-San Diego",
          "category": "Harassment or threat",
          "affected_communities": [
            "Race"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
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            "dataset_cell_locator",
            "date_precision",
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            "explicit_rationale"
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          "event_url": "/events/evt_2026_2393/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_2393"
        },
        {
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          "school_name": "American Jewish University",
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          "affected_communities": [
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          ],
          "confidence": "Medium",
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          "event_url": "/events/evt_2026_2106/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_2106"
        },
        {
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          "school_name": "American Musical and Dramatic Academy",
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          "affected_communities": [
            "Ethnicity"
          ],
          "confidence": "Medium",
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          "event_url": "/events/evt_2026_0585/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_0585"
        },
        {
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          "school_name": "American University",
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          ],
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          "workspace_url": "/research-workspace/?record_ids=evt_2026_0683"
        },
        {
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        },
        {
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          "school_name": "American University",
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        },
        {
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          "school_name": "American University",
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          ],
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            "source_sufficiency_challenge"
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            "explicit_rationale"
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          "workspace_url": "/research-workspace/?record_ids=evt_2026_1182"
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        {
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        {
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    },
    {
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        {
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          ],
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            "source_sufficiency_challenge",
            "legal_status_challenge"
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        {
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            "legal_status_challenge"
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          "confidence": "High",
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          "school_name": "Cornell University",
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          "confidence": "High",
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        },
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          "school_name": "Drexel University",
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            "legal_status_challenge"
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        },
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          "school_name": "Eastern Washington University",
          "category": "OCR complaint",
          "affected_communities": [
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          "confidence": "High",
          "date_precision": "day",
          "challenge_types": [
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            "source_sufficiency_challenge",
            "legal_status_challenge"
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          "workspace_url": "/research-workspace/?record_ids=evt_2025_0019"
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          "school_name": "Elmira College",
          "category": "Title IX compliance",
          "affected_communities": [
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          ],
          "confidence": "Medium",
          "date_precision": "day",
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            "legal_status_challenge"
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          "school_name": "Emerson College",
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          "affected_communities": [
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          "confidence": "High",
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          "school_name": "Emory University",
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          "affected_communities": [
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          "confidence": "Medium",
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          "school_name": "George Mason University",
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          "affected_communities": [
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          ],
          "confidence": "High",
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          "school_name": "Harvard University",
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          "school_name": "American Jewish University",
          "category": "Harassment or threat",
          "affected_communities": [
            "Religion"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_2106",
          "event_url": "/events/evt_2026_2106/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_2106"
        },
        {
          "event_id": "evt_2026_0585",
          "school_id": "american_musical_and_dramatic_academy",
          "school_name": "American Musical and Dramatic Academy",
          "category": "Vandalism",
          "affected_communities": [
            "Ethnicity"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_0585",
          "event_url": "/events/evt_2026_0585/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_0585"
        },
        {
          "event_id": "evt_2026_0683",
          "school_id": "american_university",
          "school_name": "American University",
          "category": "Vandalism",
          "affected_communities": [
            "Religion"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_0683",
          "event_url": "/events/evt_2026_0683/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_0683"
        },
        {
          "event_id": "evt_2026_0866",
          "school_id": "american_university",
          "school_name": "American University",
          "category": "Harassment or threat",
          "affected_communities": [
            "Religion"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_0866",
          "event_url": "/events/evt_2026_0866/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_0866"
        },
        {
          "event_id": "evt_2026_1029",
          "school_id": "american_university",
          "school_name": "American University",
          "category": "Vandalism",
          "affected_communities": [
            "LGBTQ+"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_1029",
          "event_url": "/events/evt_2026_1029/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_1029"
        },
        {
          "event_id": "evt_2026_1182",
          "school_id": "american_university",
          "school_name": "American University",
          "category": "Vandalism",
          "affected_communities": [
            "Ethnicity"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_1182",
          "event_url": "/events/evt_2026_1182/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_1182"
        },
        {
          "event_id": "evt_2026_1341",
          "school_id": "american_university",
          "school_name": "American University",
          "category": "Harassment or threat",
          "affected_communities": [
            "Ethnicity"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_1341",
          "event_url": "/events/evt_2026_1341/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_1341"
        },
        {
          "event_id": "evt_2026_1396",
          "school_id": "american_university",
          "school_name": "American University",
          "category": "Harassment or threat",
          "affected_communities": [
            "Ethnicity"
          ],
          "confidence": "Medium",
          "date_precision": "year",
          "challenge_types": [
            "date_precision_challenge",
            "institutional_response_challenge",
            "confidence_challenge",
            "affected_community_challenge",
            "source_sufficiency_challenge"
          ],
          "reason_codes": [
            "single_source",
            "dataset_cell_locator",
            "date_precision",
            "response_depth",
            "explicit_rationale"
          ],
          "source_count": 1,
          "import_family": "ed_campus_safety_dataset",
          "locator_quality": "dataset_file",
          "packet_url": "/challenge/?packet=evt_2026_1396",
          "event_url": "/events/evt_2026_1396/",
          "workspace_url": "/research-workspace/?record_ids=evt_2026_1396"
        }
      ]
    }
  ],
  "packets": [
    {
      "id": "challenge_evt_2026_1543",
      "event_id": "evt_2026_1543",
      "school_id": "adams_state_university",
      "school_name": "Adams State University",
      "category": "Vandalism",
      "affected_communities": [
        "Race"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2025_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "affected_community_challenge",
        "source_sufficiency_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_1543?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_1543?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_1543?",
        "Affected-community challenge: does the linked public source basis satisfy this standard for evt_2026_1543?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_1543?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A public source identifying a narrower affected community.",
        "A public source showing that a listed community is not supported by the record basis.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
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        "confidence_rationale_updated",
        "community_label_changed",
        "community_label_narrowed",
        "source_added",
        "source_locator_updated",
        "language_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_1543",
      "event_url": "/events/evt_2026_1543/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_1543",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_1543",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_2764",
      "event_id": "evt_2026_2764",
      "school_id": "alaska_pacific_university",
      "school_name": "Alaska Pacific University",
      "category": "Vandalism",
      "affected_communities": [
        "LGBTQ+"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2025_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "source_sufficiency_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_2764?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_2764?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_2764?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_2764?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "source_added",
        "source_locator_updated",
        "language_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_2764",
      "event_url": "/events/evt_2026_2764/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_2764",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_2764",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_3742",
      "event_id": "evt_2026_3742",
      "school_id": "alaska_vocational_technical_center",
      "school_name": "Alaska Vocational Technical Center",
      "category": "Vandalism",
      "affected_communities": [
        "Race"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2024_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "affected_community_challenge",
        "source_sufficiency_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_3742?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_3742?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_3742?",
        "Affected-community challenge: does the linked public source basis satisfy this standard for evt_2026_3742?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_3742?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A public source identifying a narrower affected community.",
        "A public source showing that a listed community is not supported by the record basis.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "community_label_changed",
        "community_label_narrowed",
        "source_added",
        "source_locator_updated",
        "language_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_3742",
      "event_url": "/events/evt_2026_3742/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_3742",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_3742",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_2164",
      "event_id": "evt_2026_2164",
      "school_id": "albert_einstein_college_of_medicine",
      "school_name": "Albert Einstein College of Medicine",
      "category": "Other source-backed civil rights event",
      "affected_communities": [
        "Religion"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2025_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "affected_community_challenge",
        "source_sufficiency_challenge",
        "category_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_2164?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_2164?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_2164?",
        "Affected-community challenge: does the linked public source basis satisfy this standard for evt_2026_2164?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_2164?",
        "Category challenge: does the linked public source basis satisfy this standard for evt_2026_2164?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A public source identifying a narrower affected community.",
        "A public source showing that a listed community is not supported by the record basis.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed.",
        "A public source showing the event belongs in a narrower or different Campus Evidence Lab category.",
        "A public source showing the current category relies on language not present in the source basis."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "community_label_changed",
        "community_label_narrowed",
        "source_added",
        "source_locator_updated",
        "language_narrowed",
        "category_changed",
        "category_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_2164",
      "event_url": "/events/evt_2026_2164/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_2164",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_2164",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_2262",
      "event_id": "evt_2026_2262",
      "school_id": "albert_einstein_college_of_medicine",
      "school_name": "Albert Einstein College of Medicine",
      "category": "Vandalism",
      "affected_communities": [
        "Race"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2025_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "affected_community_challenge",
        "source_sufficiency_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_2262?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_2262?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_2262?",
        "Affected-community challenge: does the linked public source basis satisfy this standard for evt_2026_2262?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_2262?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A public source identifying a narrower affected community.",
        "A public source showing that a listed community is not supported by the record basis.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "community_label_changed",
        "community_label_narrowed",
        "source_added",
        "source_locator_updated",
        "language_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_2262",
      "event_url": "/events/evt_2026_2262/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_2262",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_2262",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_3673",
      "event_id": "evt_2026_3673",
      "school_id": "albert_einstein_college_of_medicine",
      "school_name": "Albert Einstein College of Medicine",
      "category": "Other source-backed civil rights event",
      "affected_communities": [
        "Religion"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2025_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "affected_community_challenge",
        "source_sufficiency_challenge",
        "category_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_3673?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_3673?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_3673?",
        "Affected-community challenge: does the linked public source basis satisfy this standard for evt_2026_3673?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_3673?",
        "Category challenge: does the linked public source basis satisfy this standard for evt_2026_3673?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A public source identifying a narrower affected community.",
        "A public source showing that a listed community is not supported by the record basis.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed.",
        "A public source showing the event belongs in a narrower or different Campus Evidence Lab category.",
        "A public source showing the current category relies on language not present in the source basis."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "community_label_changed",
        "community_label_narrowed",
        "source_added",
        "source_locator_updated",
        "language_narrowed",
        "category_changed",
        "category_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_3673",
      "event_url": "/events/evt_2026_3673/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_3673",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_3673",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_2444",
      "event_id": "evt_2026_2444",
      "school_id": "albion_college",
      "school_name": "Albion College",
      "category": "Harassment or threat",
      "affected_communities": [
        "Race"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2025_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "affected_community_challenge",
        "source_sufficiency_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_2444?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_2444?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_2444?",
        "Affected-community challenge: does the linked public source basis satisfy this standard for evt_2026_2444?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_2444?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A public source identifying a narrower affected community.",
        "A public source showing that a listed community is not supported by the record basis.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "community_label_changed",
        "community_label_narrowed",
        "source_added",
        "source_locator_updated",
        "language_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_2444",
      "event_url": "/events/evt_2026_2444/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_2444",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_2444",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_2483",
      "event_id": "evt_2026_2483",
      "school_id": "albion_college",
      "school_name": "Albion College",
      "category": "Harassment or threat",
      "affected_communities": [
        "LGBTQ+"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2025_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "source_sufficiency_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_2483?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_2483?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_2483?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_2483?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "source_added",
        "source_locator_updated",
        "language_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_2483",
      "event_url": "/events/evt_2026_2483/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_2483",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_2483",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_3134",
      "event_id": "evt_2026_3134",
      "school_id": "albion_college",
      "school_name": "Albion College",
      "category": "Harassment or threat",
      "affected_communities": [
        "Students with disabilities"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2025_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "source_sufficiency_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_3134?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_3134?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_3134?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_3134?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "source_added",
        "source_locator_updated",
        "language_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_3134",
      "event_url": "/events/evt_2026_3134/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_3134",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_3134",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_3299",
      "event_id": "evt_2026_3299",
      "school_id": "albion_college",
      "school_name": "Albion College",
      "category": "Harassment or threat",
      "affected_communities": [
        "Race"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2025_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "affected_community_challenge",
        "source_sufficiency_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_3299?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_3299?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_3299?",
        "Affected-community challenge: does the linked public source basis satisfy this standard for evt_2026_3299?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_3299?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A public source identifying a narrower affected community.",
        "A public source showing that a listed community is not supported by the record basis.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "community_label_changed",
        "community_label_narrowed",
        "source_added",
        "source_locator_updated",
        "language_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_3299",
      "event_url": "/events/evt_2026_3299/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_3299",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_3299",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_3762",
      "event_id": "evt_2026_3762",
      "school_id": "albion_college",
      "school_name": "Albion College",
      "category": "Vandalism",
      "affected_communities": [
        "Race"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2024_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "affected_community_challenge",
        "source_sufficiency_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_3762?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_3762?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_3762?",
        "Affected-community challenge: does the linked public source basis satisfy this standard for evt_2026_3762?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_3762?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A public source identifying a narrower affected community.",
        "A public source showing that a listed community is not supported by the record basis.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "community_label_changed",
        "community_label_narrowed",
        "source_added",
        "source_locator_updated",
        "language_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_3762",
      "event_url": "/events/evt_2026_3762/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_3762",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_3762",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_0208",
      "event_id": "evt_2026_0208",
      "school_id": "allegheny_college",
      "school_name": "Allegheny College",
      "category": "Harassment or threat",
      "affected_communities": [
        "Race"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2025_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "affected_community_challenge",
        "source_sufficiency_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_0208?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_0208?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_0208?",
        "Affected-community challenge: does the linked public source basis satisfy this standard for evt_2026_0208?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_0208?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A public source identifying a narrower affected community.",
        "A public source showing that a listed community is not supported by the record basis.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "community_label_changed",
        "community_label_narrowed",
        "source_added",
        "source_locator_updated",
        "language_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_0208",
      "event_url": "/events/evt_2026_0208/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_0208",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_0208",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_2059",
      "event_id": "evt_2026_2059",
      "school_id": "allegheny_college",
      "school_name": "Allegheny College",
      "category": "Vandalism",
      "affected_communities": [
        "Religion"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2025_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "affected_community_challenge",
        "source_sufficiency_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_2059?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_2059?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_2059?",
        "Affected-community challenge: does the linked public source basis satisfy this standard for evt_2026_2059?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_2059?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A public source identifying a narrower affected community.",
        "A public source showing that a listed community is not supported by the record basis.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "community_label_changed",
        "community_label_narrowed",
        "source_added",
        "source_locator_updated",
        "language_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_2059",
      "event_url": "/events/evt_2026_2059/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_2059",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_2059",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_2457",
      "event_id": "evt_2026_2457",
      "school_id": "allegheny_college",
      "school_name": "Allegheny College",
      "category": "Harassment or threat",
      "affected_communities": [
        "Race"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2025_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "affected_community_challenge",
        "source_sufficiency_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_2457?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_2457?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_2457?",
        "Affected-community challenge: does the linked public source basis satisfy this standard for evt_2026_2457?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_2457?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A public source identifying a narrower affected community.",
        "A public source showing that a listed community is not supported by the record basis.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "community_label_changed",
        "community_label_narrowed",
        "source_added",
        "source_locator_updated",
        "language_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_2457",
      "event_url": "/events/evt_2026_2457/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_2457",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_2457",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_3654",
      "event_id": "evt_2026_3654",
      "school_id": "allegheny_college",
      "school_name": "Allegheny College",
      "category": "Vandalism",
      "affected_communities": [
        "Religion"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2025_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "affected_community_challenge",
        "source_sufficiency_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_3654?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_3654?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_3654?",
        "Affected-community challenge: does the linked public source basis satisfy this standard for evt_2026_3654?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_3654?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A public source identifying a narrower affected community.",
        "A public source showing that a listed community is not supported by the record basis.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "community_label_changed",
        "community_label_narrowed",
        "source_added",
        "source_locator_updated",
        "language_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_3654",
      "event_url": "/events/evt_2026_3654/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_3654",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_3654",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_2199",
      "event_id": "evt_2026_2199",
      "school_id": "alliant_international_university_san_diego",
      "school_name": "Alliant International University-San Diego",
      "category": "Harassment or threat",
      "affected_communities": [
        "Race"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2025_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "affected_community_challenge",
        "source_sufficiency_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_2199?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_2199?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_2199?",
        "Affected-community challenge: does the linked public source basis satisfy this standard for evt_2026_2199?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_2199?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A public source identifying a narrower affected community.",
        "A public source showing that a listed community is not supported by the record basis.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "community_label_changed",
        "community_label_narrowed",
        "source_added",
        "source_locator_updated",
        "language_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_2199",
      "event_url": "/events/evt_2026_2199/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_2199",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_2199",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_2393",
      "event_id": "evt_2026_2393",
      "school_id": "alliant_international_university_san_diego",
      "school_name": "Alliant International University-San Diego",
      "category": "Harassment or threat",
      "affected_communities": [
        "Race"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2025_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "affected_community_challenge",
        "source_sufficiency_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_2393?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_2393?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_2393?",
        "Affected-community challenge: does the linked public source basis satisfy this standard for evt_2026_2393?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_2393?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A public source identifying a narrower affected community.",
        "A public source showing that a listed community is not supported by the record basis.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "community_label_changed",
        "community_label_narrowed",
        "source_added",
        "source_locator_updated",
        "language_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_2393",
      "event_url": "/events/evt_2026_2393/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_2393",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_2393",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_2106",
      "event_id": "evt_2026_2106",
      "school_id": "american_jewish_university",
      "school_name": "American Jewish University",
      "category": "Harassment or threat",
      "affected_communities": [
        "Religion"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2025_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "affected_community_challenge",
        "source_sufficiency_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_2106?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_2106?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_2106?",
        "Affected-community challenge: does the linked public source basis satisfy this standard for evt_2026_2106?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_2106?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A public source identifying a narrower affected community.",
        "A public source showing that a listed community is not supported by the record basis.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "community_label_changed",
        "community_label_narrowed",
        "source_added",
        "source_locator_updated",
        "language_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_2106",
      "event_url": "/events/evt_2026_2106/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_2106",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_2106",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_0585",
      "event_id": "evt_2026_0585",
      "school_id": "american_musical_and_dramatic_academy",
      "school_name": "American Musical and Dramatic Academy",
      "category": "Vandalism",
      "affected_communities": [
        "Ethnicity"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2025_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "affected_community_challenge",
        "source_sufficiency_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_0585?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_0585?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_0585?",
        "Affected-community challenge: does the linked public source basis satisfy this standard for evt_2026_0585?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_0585?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A public source identifying a narrower affected community.",
        "A public source showing that a listed community is not supported by the record basis.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "community_label_changed",
        "community_label_narrowed",
        "source_added",
        "source_locator_updated",
        "language_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_0585",
      "event_url": "/events/evt_2026_0585/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_0585",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_0585",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_0683",
      "event_id": "evt_2026_0683",
      "school_id": "american_university",
      "school_name": "American University",
      "category": "Vandalism",
      "affected_communities": [
        "Religion"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2025_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "affected_community_challenge",
        "source_sufficiency_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_0683?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_0683?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_0683?",
        "Affected-community challenge: does the linked public source basis satisfy this standard for evt_2026_0683?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_0683?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A public source identifying a narrower affected community.",
        "A public source showing that a listed community is not supported by the record basis.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "community_label_changed",
        "community_label_narrowed",
        "source_added",
        "source_locator_updated",
        "language_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_0683",
      "event_url": "/events/evt_2026_0683/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_0683",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_0683",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_0866",
      "event_id": "evt_2026_0866",
      "school_id": "american_university",
      "school_name": "American University",
      "category": "Harassment or threat",
      "affected_communities": [
        "Religion"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2025_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "affected_community_challenge",
        "source_sufficiency_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_0866?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_0866?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_0866?",
        "Affected-community challenge: does the linked public source basis satisfy this standard for evt_2026_0866?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_0866?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A public source identifying a narrower affected community.",
        "A public source showing that a listed community is not supported by the record basis.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "community_label_changed",
        "community_label_narrowed",
        "source_added",
        "source_locator_updated",
        "language_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_0866",
      "event_url": "/events/evt_2026_0866/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_0866",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_0866",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_1029",
      "event_id": "evt_2026_1029",
      "school_id": "american_university",
      "school_name": "American University",
      "category": "Vandalism",
      "affected_communities": [
        "LGBTQ+"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2025_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "source_sufficiency_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_1029?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_1029?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_1029?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_1029?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "source_added",
        "source_locator_updated",
        "language_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_1029",
      "event_url": "/events/evt_2026_1029/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_1029",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_1029",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_1182",
      "event_id": "evt_2026_1182",
      "school_id": "american_university",
      "school_name": "American University",
      "category": "Vandalism",
      "affected_communities": [
        "Ethnicity"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2025_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "affected_community_challenge",
        "source_sufficiency_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_1182?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_1182?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_1182?",
        "Affected-community challenge: does the linked public source basis satisfy this standard for evt_2026_1182?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_1182?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A public source identifying a narrower affected community.",
        "A public source showing that a listed community is not supported by the record basis.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "community_label_changed",
        "community_label_narrowed",
        "source_added",
        "source_locator_updated",
        "language_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_1182",
      "event_url": "/events/evt_2026_1182/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_1182",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_1182",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_1341",
      "event_id": "evt_2026_1341",
      "school_id": "american_university",
      "school_name": "American University",
      "category": "Harassment or threat",
      "affected_communities": [
        "Ethnicity"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2025_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "affected_community_challenge",
        "source_sufficiency_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_1341?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_1341?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_1341?",
        "Affected-community challenge: does the linked public source basis satisfy this standard for evt_2026_1341?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_1341?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A public source identifying a narrower affected community.",
        "A public source showing that a listed community is not supported by the record basis.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "community_label_changed",
        "community_label_narrowed",
        "source_added",
        "source_locator_updated",
        "language_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_1341",
      "event_url": "/events/evt_2026_1341/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_1341",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_1341",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_1396",
      "event_id": "evt_2026_1396",
      "school_id": "american_university",
      "school_name": "American University",
      "category": "Harassment or threat",
      "affected_communities": [
        "Ethnicity"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2025_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "affected_community_challenge",
        "source_sufficiency_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_1396?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_1396?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_1396?",
        "Affected-community challenge: does the linked public source basis satisfy this standard for evt_2026_1396?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_1396?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A public source identifying a narrower affected community.",
        "A public source showing that a listed community is not supported by the record basis.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "community_label_changed",
        "community_label_narrowed",
        "source_added",
        "source_locator_updated",
        "language_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_1396",
      "event_url": "/events/evt_2026_1396/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_1396",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_1396",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_1421",
      "event_id": "evt_2026_1421",
      "school_id": "american_university",
      "school_name": "American University",
      "category": "Vandalism",
      "affected_communities": [
        "Religion"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2025_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "affected_community_challenge",
        "source_sufficiency_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_1421?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_1421?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_1421?",
        "Affected-community challenge: does the linked public source basis satisfy this standard for evt_2026_1421?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_1421?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A public source identifying a narrower affected community.",
        "A public source showing that a listed community is not supported by the record basis.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "community_label_changed",
        "community_label_narrowed",
        "source_added",
        "source_locator_updated",
        "language_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_1421",
      "event_url": "/events/evt_2026_1421/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_1421",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_1421",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_1428",
      "event_id": "evt_2026_1428",
      "school_id": "american_university",
      "school_name": "American University",
      "category": "Harassment or threat",
      "affected_communities": [
        "LGBTQ+"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2025_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "source_sufficiency_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_1428?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_1428?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_1428?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_1428?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "source_added",
        "source_locator_updated",
        "language_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_1428",
      "event_url": "/events/evt_2026_1428/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_1428",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_1428",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_2473",
      "event_id": "evt_2026_2473",
      "school_id": "american_university",
      "school_name": "American University",
      "category": "Harassment or threat",
      "affected_communities": [
        "Ethnicity"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2025_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "affected_community_challenge",
        "source_sufficiency_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_2473?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_2473?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_2473?",
        "Affected-community challenge: does the linked public source basis satisfy this standard for evt_2026_2473?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_2473?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A public source identifying a narrower affected community.",
        "A public source showing that a listed community is not supported by the record basis.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "community_label_changed",
        "community_label_narrowed",
        "source_added",
        "source_locator_updated",
        "language_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_2473",
      "event_url": "/events/evt_2026_2473/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_2473",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_2473",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_2538",
      "event_id": "evt_2026_2538",
      "school_id": "american_university",
      "school_name": "American University",
      "category": "Vandalism",
      "affected_communities": [
        "Ethnicity"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2025_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "affected_community_challenge",
        "source_sufficiency_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_2538?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_2538?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_2538?",
        "Affected-community challenge: does the linked public source basis satisfy this standard for evt_2026_2538?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_2538?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A public source identifying a narrower affected community.",
        "A public source showing that a listed community is not supported by the record basis.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "community_label_changed",
        "community_label_narrowed",
        "source_added",
        "source_locator_updated",
        "language_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_2538",
      "event_url": "/events/evt_2026_2538/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_2538",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_2538",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_2594",
      "event_id": "evt_2026_2594",
      "school_id": "american_university",
      "school_name": "American University",
      "category": "Harassment or threat",
      "affected_communities": [
        "Ethnicity"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2025_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "affected_community_challenge",
        "source_sufficiency_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_2594?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_2594?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_2594?",
        "Affected-community challenge: does the linked public source basis satisfy this standard for evt_2026_2594?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_2594?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A public source identifying a narrower affected community.",
        "A public source showing that a listed community is not supported by the record basis.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "community_label_changed",
        "community_label_narrowed",
        "source_added",
        "source_locator_updated",
        "language_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_2594",
      "event_url": "/events/evt_2026_2594/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_2594",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_2594",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_2770",
      "event_id": "evt_2026_2770",
      "school_id": "american_university",
      "school_name": "American University",
      "category": "Harassment or threat",
      "affected_communities": [
        "Religion"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2025_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "affected_community_challenge",
        "source_sufficiency_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_2770?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_2770?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_2770?",
        "Affected-community challenge: does the linked public source basis satisfy this standard for evt_2026_2770?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_2770?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A public source identifying a narrower affected community.",
        "A public source showing that a listed community is not supported by the record basis.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "community_label_changed",
        "community_label_narrowed",
        "source_added",
        "source_locator_updated",
        "language_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_2770",
      "event_url": "/events/evt_2026_2770/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_2770",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_2770",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_2899",
      "event_id": "evt_2026_2899",
      "school_id": "american_university",
      "school_name": "American University",
      "category": "Vandalism",
      "affected_communities": [
        "Religion"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2025_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "affected_community_challenge",
        "source_sufficiency_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_2899?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_2899?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_2899?",
        "Affected-community challenge: does the linked public source basis satisfy this standard for evt_2026_2899?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_2899?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A public source identifying a narrower affected community.",
        "A public source showing that a listed community is not supported by the record basis.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "community_label_changed",
        "community_label_narrowed",
        "source_added",
        "source_locator_updated",
        "language_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_2899",
      "event_url": "/events/evt_2026_2899/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_2899",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_2899",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_2933",
      "event_id": "evt_2026_2933",
      "school_id": "american_university",
      "school_name": "American University",
      "category": "Vandalism",
      "affected_communities": [
        "LGBTQ+"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2025_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "source_sufficiency_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_2933?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_2933?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_2933?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_2933?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "source_added",
        "source_locator_updated",
        "language_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_2933",
      "event_url": "/events/evt_2026_2933/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_2933",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_2933",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_3092",
      "event_id": "evt_2026_3092",
      "school_id": "american_university",
      "school_name": "American University",
      "category": "Vandalism",
      "affected_communities": [
        "Ethnicity"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2025_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "affected_community_challenge",
        "source_sufficiency_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_3092?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_3092?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_3092?",
        "Affected-community challenge: does the linked public source basis satisfy this standard for evt_2026_3092?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_3092?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A public source identifying a narrower affected community.",
        "A public source showing that a listed community is not supported by the record basis.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "community_label_changed",
        "community_label_narrowed",
        "source_added",
        "source_locator_updated",
        "language_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_3092",
      "event_url": "/events/evt_2026_3092/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_3092",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_3092",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_3157",
      "event_id": "evt_2026_3157",
      "school_id": "american_university",
      "school_name": "American University",
      "category": "Harassment or threat",
      "affected_communities": [
        "Ethnicity"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2025_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "affected_community_challenge",
        "source_sufficiency_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_3157?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_3157?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_3157?",
        "Affected-community challenge: does the linked public source basis satisfy this standard for evt_2026_3157?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_3157?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A public source identifying a narrower affected community.",
        "A public source showing that a listed community is not supported by the record basis.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "community_label_changed",
        "community_label_narrowed",
        "source_added",
        "source_locator_updated",
        "language_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_3157",
      "event_url": "/events/evt_2026_3157/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_3157",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_3157",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_3187",
      "event_id": "evt_2026_3187",
      "school_id": "american_university",
      "school_name": "American University",
      "category": "Harassment or threat",
      "affected_communities": [
        "Ethnicity"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2025_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "affected_community_challenge",
        "source_sufficiency_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_3187?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_3187?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_3187?",
        "Affected-community challenge: does the linked public source basis satisfy this standard for evt_2026_3187?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_3187?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A public source identifying a narrower affected community.",
        "A public source showing that a listed community is not supported by the record basis.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "community_label_changed",
        "community_label_narrowed",
        "source_added",
        "source_locator_updated",
        "language_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_3187",
      "event_url": "/events/evt_2026_3187/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_3187",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_3187",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_3215",
      "event_id": "evt_2026_3215",
      "school_id": "american_university",
      "school_name": "American University",
      "category": "Harassment or threat",
      "affected_communities": [
        "LGBTQ+"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2025_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "source_sufficiency_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_3215?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_3215?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_3215?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_3215?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "source_added",
        "source_locator_updated",
        "language_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_3215",
      "event_url": "/events/evt_2026_3215/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_3215",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_3215",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_3242",
      "event_id": "evt_2026_3242",
      "school_id": "american_university",
      "school_name": "American University",
      "category": "Vandalism",
      "affected_communities": [
        "Religion"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2025_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "affected_community_challenge",
        "source_sufficiency_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_3242?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_3242?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_3242?",
        "Affected-community challenge: does the linked public source basis satisfy this standard for evt_2026_3242?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_3242?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A public source identifying a narrower affected community.",
        "A public source showing that a listed community is not supported by the record basis.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "community_label_changed",
        "community_label_narrowed",
        "source_added",
        "source_locator_updated",
        "language_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_3242",
      "event_url": "/events/evt_2026_3242/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_3242",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_3242",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_3749",
      "event_id": "evt_2026_3749",
      "school_id": "american_university",
      "school_name": "American University",
      "category": "Harassment or threat",
      "affected_communities": [
        "Ethnicity"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2024_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "affected_community_challenge",
        "source_sufficiency_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_3749?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_3749?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_3749?",
        "Affected-community challenge: does the linked public source basis satisfy this standard for evt_2026_3749?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_3749?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A public source identifying a narrower affected community.",
        "A public source showing that a listed community is not supported by the record basis.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "community_label_changed",
        "community_label_narrowed",
        "source_added",
        "source_locator_updated",
        "language_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_3749",
      "event_url": "/events/evt_2026_3749/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_3749",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_3749",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_0289",
      "event_id": "evt_2026_0289",
      "school_id": "amherst_college",
      "school_name": "Amherst College",
      "category": "Other source-backed civil rights event",
      "affected_communities": [
        "National origin"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2025_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "affected_community_challenge",
        "source_sufficiency_challenge",
        "category_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_0289?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_0289?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_0289?",
        "Affected-community challenge: does the linked public source basis satisfy this standard for evt_2026_0289?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_0289?",
        "Category challenge: does the linked public source basis satisfy this standard for evt_2026_0289?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A public source identifying a narrower affected community.",
        "A public source showing that a listed community is not supported by the record basis.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed.",
        "A public source showing the event belongs in a narrower or different Campus Evidence Lab category.",
        "A public source showing the current category relies on language not present in the source basis."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "community_label_changed",
        "community_label_narrowed",
        "source_added",
        "source_locator_updated",
        "language_narrowed",
        "category_changed",
        "category_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_0289",
      "event_url": "/events/evt_2026_0289/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_0289",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_0289",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_1154",
      "event_id": "evt_2026_1154",
      "school_id": "amherst_college",
      "school_name": "Amherst College",
      "category": "Other source-backed civil rights event",
      "affected_communities": [
        "National origin"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2025_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "affected_community_challenge",
        "source_sufficiency_challenge",
        "category_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_1154?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_1154?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_1154?",
        "Affected-community challenge: does the linked public source basis satisfy this standard for evt_2026_1154?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_1154?",
        "Category challenge: does the linked public source basis satisfy this standard for evt_2026_1154?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A public source identifying a narrower affected community.",
        "A public source showing that a listed community is not supported by the record basis.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed.",
        "A public source showing the event belongs in a narrower or different Campus Evidence Lab category.",
        "A public source showing the current category relies on language not present in the source basis."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "community_label_changed",
        "community_label_narrowed",
        "source_added",
        "source_locator_updated",
        "language_narrowed",
        "category_changed",
        "category_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_1154",
      "event_url": "/events/evt_2026_1154/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_1154",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_1154",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_1569",
      "event_id": "evt_2026_1569",
      "school_id": "amherst_college",
      "school_name": "Amherst College",
      "category": "Vandalism",
      "affected_communities": [
        "LGBTQ+"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2025_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "source_sufficiency_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_1569?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_1569?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_1569?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_1569?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "source_added",
        "source_locator_updated",
        "language_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_1569",
      "event_url": "/events/evt_2026_1569/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_1569",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_1569",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_1906",
      "event_id": "evt_2026_1906",
      "school_id": "amherst_college",
      "school_name": "Amherst College",
      "category": "Vandalism",
      "affected_communities": [
        "Race"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2025_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "affected_community_challenge",
        "source_sufficiency_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_1906?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_1906?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_1906?",
        "Affected-community challenge: does the linked public source basis satisfy this standard for evt_2026_1906?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_1906?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A public source identifying a narrower affected community.",
        "A public source showing that a listed community is not supported by the record basis.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "community_label_changed",
        "community_label_narrowed",
        "source_added",
        "source_locator_updated",
        "language_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_1906",
      "event_url": "/events/evt_2026_1906/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_1906",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_1906",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_1996",
      "event_id": "evt_2026_1996",
      "school_id": "amherst_college",
      "school_name": "Amherst College",
      "category": "Vandalism",
      "affected_communities": [
        "LGBTQ+"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2025_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "source_sufficiency_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_1996?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_1996?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_1996?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_1996?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "source_added",
        "source_locator_updated",
        "language_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_1996",
      "event_url": "/events/evt_2026_1996/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_1996",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_1996",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_2044",
      "event_id": "evt_2026_2044",
      "school_id": "amherst_college",
      "school_name": "Amherst College",
      "category": "Vandalism",
      "affected_communities": [
        "LGBTQ+"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2025_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "source_sufficiency_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_2044?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_2044?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_2044?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_2044?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "source_added",
        "source_locator_updated",
        "language_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_2044",
      "event_url": "/events/evt_2026_2044/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_2044",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_2044",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_2661",
      "event_id": "evt_2026_2661",
      "school_id": "amherst_college",
      "school_name": "Amherst College",
      "category": "Harassment or threat",
      "affected_communities": [
        "LGBTQ+"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2025_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "source_sufficiency_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_2661?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_2661?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_2661?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_2661?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "source_added",
        "source_locator_updated",
        "language_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_2661",
      "event_url": "/events/evt_2026_2661/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_2661",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_2661",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_3222",
      "event_id": "evt_2026_3222",
      "school_id": "amherst_college",
      "school_name": "Amherst College",
      "category": "Other source-backed civil rights event",
      "affected_communities": [
        "National origin"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2025_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "affected_community_challenge",
        "source_sufficiency_challenge",
        "category_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_3222?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_3222?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_3222?",
        "Affected-community challenge: does the linked public source basis satisfy this standard for evt_2026_3222?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_3222?",
        "Category challenge: does the linked public source basis satisfy this standard for evt_2026_3222?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A public source identifying a narrower affected community.",
        "A public source showing that a listed community is not supported by the record basis.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed.",
        "A public source showing the event belongs in a narrower or different Campus Evidence Lab category.",
        "A public source showing the current category relies on language not present in the source basis."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "community_label_changed",
        "community_label_narrowed",
        "source_added",
        "source_locator_updated",
        "language_narrowed",
        "category_changed",
        "category_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_3222",
      "event_url": "/events/evt_2026_3222/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_3222",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_3222",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_3568",
      "event_id": "evt_2026_3568",
      "school_id": "amherst_college",
      "school_name": "Amherst College",
      "category": "Vandalism",
      "affected_communities": [
        "Race"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2025_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "affected_community_challenge",
        "source_sufficiency_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_3568?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_3568?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_3568?",
        "Affected-community challenge: does the linked public source basis satisfy this standard for evt_2026_3568?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_3568?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A public source identifying a narrower affected community.",
        "A public source showing that a listed community is not supported by the record basis.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "community_label_changed",
        "community_label_narrowed",
        "source_added",
        "source_locator_updated",
        "language_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_3568",
      "event_url": "/events/evt_2026_3568/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_3568",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_3568",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_3660",
      "event_id": "evt_2026_3660",
      "school_id": "amherst_college",
      "school_name": "Amherst College",
      "category": "Vandalism",
      "affected_communities": [
        "LGBTQ+"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2025_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "source_sufficiency_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_3660?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_3660?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_3660?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_3660?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "source_added",
        "source_locator_updated",
        "language_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_3660",
      "event_url": "/events/evt_2026_3660/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_3660",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_3660",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_3925",
      "event_id": "evt_2026_3925",
      "school_id": "amherst_college",
      "school_name": "Amherst College",
      "category": "Vandalism",
      "affected_communities": [
        "Race"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2024_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "affected_community_challenge",
        "source_sufficiency_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_3925?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_3925?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_3925?",
        "Affected-community challenge: does the linked public source basis satisfy this standard for evt_2026_3925?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_3925?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A public source identifying a narrower affected community.",
        "A public source showing that a listed community is not supported by the record basis.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "community_label_changed",
        "community_label_narrowed",
        "source_added",
        "source_locator_updated",
        "language_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_3925",
      "event_url": "/events/evt_2026_3925/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_3925",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_3925",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_0643",
      "event_id": "evt_2026_0643",
      "school_id": "andrews_university",
      "school_name": "Andrews University",
      "category": "Harassment or threat",
      "affected_communities": [
        "Ethnicity"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2025_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "affected_community_challenge",
        "source_sufficiency_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_0643?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_0643?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_0643?",
        "Affected-community challenge: does the linked public source basis satisfy this standard for evt_2026_0643?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_0643?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A public source identifying a narrower affected community.",
        "A public source showing that a listed community is not supported by the record basis.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "community_label_changed",
        "community_label_narrowed",
        "source_added",
        "source_locator_updated",
        "language_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_0643",
      "event_url": "/events/evt_2026_0643/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_0643",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_0643",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_0290",
      "event_id": "evt_2026_0290",
      "school_id": "anne_arundel_community_college",
      "school_name": "Anne Arundel Community College",
      "category": "Harassment or threat",
      "affected_communities": [
        "LGBTQ+"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2025_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "source_sufficiency_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_0290?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_0290?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_0290?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_0290?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "source_added",
        "source_locator_updated",
        "language_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_0290",
      "event_url": "/events/evt_2026_0290/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_0290",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_0290",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_0789",
      "event_id": "evt_2026_0789",
      "school_id": "anne_arundel_community_college",
      "school_name": "Anne Arundel Community College",
      "category": "Harassment or threat",
      "affected_communities": [
        "Race"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2025_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "affected_community_challenge",
        "source_sufficiency_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_0789?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_0789?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_0789?",
        "Affected-community challenge: does the linked public source basis satisfy this standard for evt_2026_0789?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_0789?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A public source identifying a narrower affected community.",
        "A public source showing that a listed community is not supported by the record basis.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "community_label_changed",
        "community_label_narrowed",
        "source_added",
        "source_locator_updated",
        "language_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_0789",
      "event_url": "/events/evt_2026_0789/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_0789",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_0789",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_1225",
      "event_id": "evt_2026_1225",
      "school_id": "anne_arundel_community_college",
      "school_name": "Anne Arundel Community College",
      "category": "Harassment or threat",
      "affected_communities": [
        "LGBTQ+"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2025_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "source_sufficiency_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_1225?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_1225?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_1225?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_1225?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "source_added",
        "source_locator_updated",
        "language_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_1225",
      "event_url": "/events/evt_2026_1225/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_1225",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_1225",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_0485",
      "event_id": "evt_2026_0485",
      "school_id": "anoka_ramsey_community_college",
      "school_name": "Anoka-Ramsey Community College",
      "category": "Vandalism",
      "affected_communities": [
        "National origin"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2025_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "affected_community_challenge",
        "source_sufficiency_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_0485?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_0485?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_0485?",
        "Affected-community challenge: does the linked public source basis satisfy this standard for evt_2026_0485?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_0485?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A public source identifying a narrower affected community.",
        "A public source showing that a listed community is not supported by the record basis.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "community_label_changed",
        "community_label_narrowed",
        "source_added",
        "source_locator_updated",
        "language_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_0485",
      "event_url": "/events/evt_2026_0485/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_0485",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_0485",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_0391",
      "event_id": "evt_2026_0391",
      "school_id": "antioch_college",
      "school_name": "Antioch College",
      "category": "Vandalism",
      "affected_communities": [
        "Race"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2025_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "affected_community_challenge",
        "source_sufficiency_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_0391?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_0391?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_0391?",
        "Affected-community challenge: does the linked public source basis satisfy this standard for evt_2026_0391?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_0391?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A public source identifying a narrower affected community.",
        "A public source showing that a listed community is not supported by the record basis.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "community_label_changed",
        "community_label_narrowed",
        "source_added",
        "source_locator_updated",
        "language_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_0391",
      "event_url": "/events/evt_2026_0391/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_0391",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_0391",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_3862",
      "event_id": "evt_2026_3862",
      "school_id": "antioch_college",
      "school_name": "Antioch College",
      "category": "Vandalism",
      "affected_communities": [
        "Religion"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2024_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "affected_community_challenge",
        "source_sufficiency_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_3862?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_3862?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_3862?",
        "Affected-community challenge: does the linked public source basis satisfy this standard for evt_2026_3862?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_3862?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A public source identifying a narrower affected community.",
        "A public source showing that a listed community is not supported by the record basis.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "community_label_changed",
        "community_label_narrowed",
        "source_added",
        "source_locator_updated",
        "language_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_3862",
      "event_url": "/events/evt_2026_3862/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_3862",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_3862",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_0295",
      "event_id": "evt_2026_0295",
      "school_id": "appalachian_state_university",
      "school_name": "Appalachian State University",
      "category": "Harassment or threat",
      "affected_communities": [
        "Race"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2025_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "affected_community_challenge",
        "source_sufficiency_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_0295?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_0295?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_0295?",
        "Affected-community challenge: does the linked public source basis satisfy this standard for evt_2026_0295?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_0295?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A public source identifying a narrower affected community.",
        "A public source showing that a listed community is not supported by the record basis.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "community_label_changed",
        "community_label_narrowed",
        "source_added",
        "source_locator_updated",
        "language_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_0295",
      "event_url": "/events/evt_2026_0295/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_0295",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_0295",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_3766",
      "event_id": "evt_2026_3766",
      "school_id": "appalachian_state_university",
      "school_name": "Appalachian State University",
      "category": "Vandalism",
      "affected_communities": [
        "LGBTQ+"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2024_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "source_sufficiency_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_3766?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_3766?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_3766?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_3766?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "source_added",
        "source_locator_updated",
        "language_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_3766",
      "event_url": "/events/evt_2026_3766/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_3766",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_3766",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_0524",
      "event_id": "evt_2026_0524",
      "school_id": "aquinas_college",
      "school_name": "Aquinas College",
      "category": "Vandalism",
      "affected_communities": [
        "Religion"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2025_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "affected_community_challenge",
        "source_sufficiency_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_0524?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_0524?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_0524?",
        "Affected-community challenge: does the linked public source basis satisfy this standard for evt_2026_0524?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_0524?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A public source identifying a narrower affected community.",
        "A public source showing that a listed community is not supported by the record basis.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "community_label_changed",
        "community_label_narrowed",
        "source_added",
        "source_locator_updated",
        "language_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_0524",
      "event_url": "/events/evt_2026_0524/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_0524",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_0524",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_0180",
      "event_id": "evt_2026_0180",
      "school_id": "arapahoe_community_college",
      "school_name": "Arapahoe Community College",
      "category": "Harassment or threat",
      "affected_communities": [
        "LGBTQ+"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2025_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "source_sufficiency_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_0180?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_0180?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_0180?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_0180?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "source_added",
        "source_locator_updated",
        "language_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_0180",
      "event_url": "/events/evt_2026_0180/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_0180",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_0180",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_0305",
      "event_id": "evt_2026_0305",
      "school_id": "arclabs",
      "school_name": "Arclabs",
      "category": "Harassment or threat",
      "affected_communities": [
        "Race"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2025_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "affected_community_challenge",
        "source_sufficiency_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_0305?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_0305?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_0305?",
        "Affected-community challenge: does the linked public source basis satisfy this standard for evt_2026_0305?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_0305?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A public source identifying a narrower affected community.",
        "A public source showing that a listed community is not supported by the record basis.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "community_label_changed",
        "community_label_narrowed",
        "source_added",
        "source_locator_updated",
        "language_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_0305",
      "event_url": "/events/evt_2026_0305/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_0305",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_0305",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_0175",
      "event_id": "evt_2026_0175",
      "school_id": "arizona_state_university_campus_immersion",
      "school_name": "Arizona State University Campus Immersion",
      "category": "Harassment or threat",
      "affected_communities": [
        "Race"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2025_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "affected_community_challenge",
        "source_sufficiency_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_0175?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_0175?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_0175?",
        "Affected-community challenge: does the linked public source basis satisfy this standard for evt_2026_0175?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_0175?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A public source identifying a narrower affected community.",
        "A public source showing that a listed community is not supported by the record basis.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "community_label_changed",
        "community_label_narrowed",
        "source_added",
        "source_locator_updated",
        "language_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_0175",
      "event_url": "/events/evt_2026_0175/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_0175",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_0175",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_0773",
      "event_id": "evt_2026_0773",
      "school_id": "arizona_state_university_campus_immersion",
      "school_name": "Arizona State University Campus Immersion",
      "category": "Vandalism",
      "affected_communities": [
        "Religion"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2025_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "affected_community_challenge",
        "source_sufficiency_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_0773?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_0773?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_0773?",
        "Affected-community challenge: does the linked public source basis satisfy this standard for evt_2026_0773?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_0773?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A public source identifying a narrower affected community.",
        "A public source showing that a listed community is not supported by the record basis.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "community_label_changed",
        "community_label_narrowed",
        "source_added",
        "source_locator_updated",
        "language_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_0773",
      "event_url": "/events/evt_2026_0773/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_0773",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_0773",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_0945",
      "event_id": "evt_2026_0945",
      "school_id": "arizona_state_university_campus_immersion",
      "school_name": "Arizona State University Campus Immersion",
      "category": "Harassment or threat",
      "affected_communities": [
        "National origin"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2025_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "affected_community_challenge",
        "source_sufficiency_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_0945?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_0945?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_0945?",
        "Affected-community challenge: does the linked public source basis satisfy this standard for evt_2026_0945?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_0945?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A public source identifying a narrower affected community.",
        "A public source showing that a listed community is not supported by the record basis.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "community_label_changed",
        "community_label_narrowed",
        "source_added",
        "source_locator_updated",
        "language_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_0945",
      "event_url": "/events/evt_2026_0945/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_0945",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_0945",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_1104",
      "event_id": "evt_2026_1104",
      "school_id": "arizona_state_university_campus_immersion",
      "school_name": "Arizona State University Campus Immersion",
      "category": "Harassment or threat",
      "affected_communities": [
        "LGBTQ+"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2025_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "source_sufficiency_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_1104?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_1104?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_1104?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_1104?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "source_added",
        "source_locator_updated",
        "language_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_1104",
      "event_url": "/events/evt_2026_1104/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_1104",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_1104",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_1213",
      "event_id": "evt_2026_1213",
      "school_id": "arizona_state_university_campus_immersion",
      "school_name": "Arizona State University Campus Immersion",
      "category": "Harassment or threat",
      "affected_communities": [
        "LGBTQ+"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2025_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "source_sufficiency_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_1213?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_1213?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_1213?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_1213?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "source_added",
        "source_locator_updated",
        "language_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_1213",
      "event_url": "/events/evt_2026_1213/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_1213",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_1213",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_1280",
      "event_id": "evt_2026_1280",
      "school_id": "arizona_state_university_campus_immersion",
      "school_name": "Arizona State University Campus Immersion",
      "category": "Vandalism",
      "affected_communities": [
        "National origin"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2025_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "affected_community_challenge",
        "source_sufficiency_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_1280?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_1280?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_1280?",
        "Affected-community challenge: does the linked public source basis satisfy this standard for evt_2026_1280?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_1280?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A public source identifying a narrower affected community.",
        "A public source showing that a listed community is not supported by the record basis.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "community_label_changed",
        "community_label_narrowed",
        "source_added",
        "source_locator_updated",
        "language_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_1280",
      "event_url": "/events/evt_2026_1280/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_1280",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_1280",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_2973",
      "event_id": "evt_2026_2973",
      "school_id": "arizona_state_university_campus_immersion",
      "school_name": "Arizona State University Campus Immersion",
      "category": "Vandalism",
      "affected_communities": [
        "Religion"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2025_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "affected_community_challenge",
        "source_sufficiency_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_2973?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_2973?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_2973?",
        "Affected-community challenge: does the linked public source basis satisfy this standard for evt_2026_2973?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_2973?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A public source identifying a narrower affected community.",
        "A public source showing that a listed community is not supported by the record basis.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "community_label_changed",
        "community_label_narrowed",
        "source_added",
        "source_locator_updated",
        "language_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_2973",
      "event_url": "/events/evt_2026_2973/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_2973",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_2973",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_3745",
      "event_id": "evt_2026_3745",
      "school_id": "arizona_state_university_campus_immersion",
      "school_name": "Arizona State University Campus Immersion",
      "category": "Harassment or threat",
      "affected_communities": [
        "Race"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2024_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "affected_community_challenge",
        "source_sufficiency_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_3745?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_3745?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_3745?",
        "Affected-community challenge: does the linked public source basis satisfy this standard for evt_2026_3745?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_3745?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A public source identifying a narrower affected community.",
        "A public source showing that a listed community is not supported by the record basis.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "community_label_changed",
        "community_label_narrowed",
        "source_added",
        "source_locator_updated",
        "language_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_3745",
      "event_url": "/events/evt_2026_3745/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_3745",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_3745",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_0082",
      "event_id": "evt_2026_0082",
      "school_id": "arkansas_baptist_college",
      "school_name": "Arkansas Baptist College",
      "category": "Other source-backed civil rights event",
      "affected_communities": [
        "Religion"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2025_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "affected_community_challenge",
        "source_sufficiency_challenge",
        "category_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_0082?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_0082?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_0082?",
        "Affected-community challenge: does the linked public source basis satisfy this standard for evt_2026_0082?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_0082?",
        "Category challenge: does the linked public source basis satisfy this standard for evt_2026_0082?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A public source identifying a narrower affected community.",
        "A public source showing that a listed community is not supported by the record basis.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed.",
        "A public source showing the event belongs in a narrower or different Campus Evidence Lab category.",
        "A public source showing the current category relies on language not present in the source basis."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "community_label_changed",
        "community_label_narrowed",
        "source_added",
        "source_locator_updated",
        "language_narrowed",
        "category_changed",
        "category_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_0082",
      "event_url": "/events/evt_2026_0082/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_0082",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_0082",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_0678",
      "event_id": "evt_2026_0678",
      "school_id": "arkansas_baptist_college",
      "school_name": "Arkansas Baptist College",
      "category": "Other source-backed civil rights event",
      "affected_communities": [
        "Religion"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2025_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "affected_community_challenge",
        "source_sufficiency_challenge",
        "category_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_0678?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_0678?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_0678?",
        "Affected-community challenge: does the linked public source basis satisfy this standard for evt_2026_0678?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_0678?",
        "Category challenge: does the linked public source basis satisfy this standard for evt_2026_0678?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A public source identifying a narrower affected community.",
        "A public source showing that a listed community is not supported by the record basis.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed.",
        "A public source showing the event belongs in a narrower or different Campus Evidence Lab category.",
        "A public source showing the current category relies on language not present in the source basis."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "community_label_changed",
        "community_label_narrowed",
        "source_added",
        "source_locator_updated",
        "language_narrowed",
        "category_changed",
        "category_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_0678",
      "event_url": "/events/evt_2026_0678/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_0678",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_0678",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_0984",
      "event_id": "evt_2026_0984",
      "school_id": "arkansas_baptist_college",
      "school_name": "Arkansas Baptist College",
      "category": "Harassment or threat",
      "affected_communities": [
        "Religion"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2025_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "affected_community_challenge",
        "source_sufficiency_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_0984?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_0984?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_0984?",
        "Affected-community challenge: does the linked public source basis satisfy this standard for evt_2026_0984?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_0984?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A public source identifying a narrower affected community.",
        "A public source showing that a listed community is not supported by the record basis.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "community_label_changed",
        "community_label_narrowed",
        "source_added",
        "source_locator_updated",
        "language_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_0984",
      "event_url": "/events/evt_2026_0984/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_0984",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_0984",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_1064",
      "event_id": "evt_2026_1064",
      "school_id": "arkansas_baptist_college",
      "school_name": "Arkansas Baptist College",
      "category": "Vandalism",
      "affected_communities": [
        "Religion"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2025_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "affected_community_challenge",
        "source_sufficiency_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_1064?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_1064?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_1064?",
        "Affected-community challenge: does the linked public source basis satisfy this standard for evt_2026_1064?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_1064?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A public source identifying a narrower affected community.",
        "A public source showing that a listed community is not supported by the record basis.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "community_label_changed",
        "community_label_narrowed",
        "source_added",
        "source_locator_updated",
        "language_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_1064",
      "event_url": "/events/evt_2026_1064/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_1064",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_1064",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    },
    {
      "id": "challenge_evt_2026_2894",
      "event_id": "evt_2026_2894",
      "school_id": "arkansas_baptist_college",
      "school_name": "Arkansas Baptist College",
      "category": "Other source-backed civil rights event",
      "affected_communities": [
        "Religion"
      ],
      "confidence": "Medium",
      "date_precision": "year",
      "source_ids": [
        "src_ed_campus_safety_2025_hate_crime_data_files"
      ],
      "source_types": [
        "Government dataset"
      ],
      "challenge_types": [
        "date_precision_challenge",
        "institutional_response_challenge",
        "confidence_challenge",
        "affected_community_challenge",
        "source_sufficiency_challenge",
        "category_challenge"
      ],
      "reason_codes": [
        "single_source",
        "dataset_cell_locator",
        "date_precision",
        "response_depth",
        "explicit_rationale"
      ],
      "review_questions": [
        "Date-precision challenge: does the linked public source basis satisfy this standard for evt_2026_2894?",
        "Institutional-response challenge: does the linked public source basis satisfy this standard for evt_2026_2894?",
        "Confidence challenge: does the linked public source basis satisfy this standard for evt_2026_2894?",
        "Affected-community challenge: does the linked public source basis satisfy this standard for evt_2026_2894?",
        "Source-sufficiency challenge: does the linked public source basis satisfy this standard for evt_2026_2894?",
        "Category challenge: does the linked public source basis satisfy this standard for evt_2026_2894?"
      ],
      "acceptable_counterevidence": [
        "A public source identifying the exact day, month, or only year supported by the record.",
        "A public source showing the current date refers to publication, resolution, or reporting period rather than event timing.",
        "A direct public institutional statement or archived page.",
        "A public agency document describing institutional action.",
        "A public source showing no public institutional response was found after reasonable search.",
        "A public source adding independent support for the same record.",
        "A public source or source limitation showing current confidence should be lower.",
        "A public source identifying a narrower affected community.",
        "A public source showing that a listed community is not supported by the record basis.",
        "A better public URL, archived copy, source page, data file locator, or source excerpt pointer.",
        "A public source showing current language should be narrowed.",
        "A public source showing the event belongs in a narrower or different Campus Evidence Lab category.",
        "A public source showing the current category relies on language not present in the source basis."
      ],
      "possible_outcomes": [
        "date_changed",
        "date_precision_narrowed",
        "date_precision_broadened",
        "closed_no_change",
        "needs_more_evidence",
        "response_text_updated",
        "response_depth_changed",
        "confidence_raised",
        "confidence_lowered",
        "confidence_rationale_updated",
        "community_label_changed",
        "community_label_narrowed",
        "source_added",
        "source_locator_updated",
        "language_narrowed",
        "category_changed",
        "category_narrowed"
      ],
      "evidence_capsule_url": "/data/evidence-capsules.json#evt_2026_2894",
      "event_url": "/events/evt_2026_2894/",
      "workspace_url": "/research-workspace/?record_ids=evt_2026_2894",
      "submission_packet_url": "/submit/?type=correction&record_id=evt_2026_2894",
      "public_claim_limit": "This challenge packet identifies review questions for source-supported correction work. It is not a ranking, safety score, severity score, prevalence estimate, legal finding, endorsement, or external audit."
    }
  ]
}
