{
  "claims": [
    {
      "claim": {
        "claim_id": "claim-thurgood-marshall-regional-park-home-port-chicago-50-visitor-profile",
        "evidence_ids": [
          "evidence-ebrpd-thurgood-marshall-regional-park-home-port-chicago-50-visitor-profile"
        ],
        "predicate": "visitor_profile",
        "spatial_scope_ids": [
          "scope-thurgood-marshall-regional-park-home-port-chicago-50"
        ],
        "subject_id": "park-thurgood-marshall-regional-park-home-port-chicago-50",
        "temporal_scope": null,
        "value": {
          "future_acreage": 3000,
          "future_facilities": [
            "visitor center",
            "public transit routes",
            "public access points",
            "staging areas",
            "camping",
            "hiking",
            "biking",
            "picnic areas"
          ],
          "location": "Concord Hills",
          "planning_note": "future facilities are planned rather than currently available",
          "public_access": "occasional naturalist-led tours and public events only",
          "purpose": [
            "interpret the Port Chicago disaster and the Port Chicago 50",
            "connect communities",
            "protect habitat and wildlife corridors"
          ],
          "status": "land bank; closed with no general public access"
        }
      },
      "evidence": [
        {
          "claim_id": "claim-thurgood-marshall-regional-park-home-port-chicago-50-visitor-profile",
          "evidence_id": "evidence-ebrpd-thurgood-marshall-regional-park-home-port-chicago-50-visitor-profile",
          "notes": "Direct transcription and conservative structuring of planning-relevant fields from the official park page.",
          "observation_id": "observation-ebrpd-thurgood-marshall-regional-park-home-port-chicago-50-visitor-profile",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [
            "Overview",
            "To Reach The Park",
            "Attractions"
          ],
          "content": "The live park page publishes the visitor profile represented by the associated claim, including access, operating information, facilities, and material restrictions.",
          "observation_id": "observation-ebrpd-thurgood-marshall-regional-park-home-port-chicago-50-visitor-profile",
          "observed_at": null,
          "observer": "Wayproof live source review",
          "retrieved_at": "2026-09-20T07:00:00+00:00",
          "source_id": "source-ebrpd-thurgood-marshall-regional-park-home-port-chicago-50-park-page"
        }
      ],
      "sources": [
        {
          "locator": "https://www.ebparks.org/parks/thurgood-marshall-regional-park-home-port-chicago-50",
          "publisher": "East Bay Regional Park District",
          "source_id": "source-ebrpd-thurgood-marshall-regional-park-home-port-chicago-50-park-page"
        }
      ]
    }
  ],
  "entities": [
    {
      "entity_id": "park-thurgood-marshall-regional-park-home-port-chicago-50",
      "kind": "park",
      "name": "Thurgood Marshall Regional Park - Home of the Port Chicago 50"
    }
  ],
  "history": [
    {
      "action": "ADD",
      "change_set_id": "wp-20260921-ebrpd-parks-batch-13",
      "evidence_refs": [
        "evidence-ebrpd-thurgood-marshall-regional-park-home-port-chicago-50-visitor-profile"
      ],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/claims/claim-thurgood-marshall-regional-park-home-port-chicago-50-visitor-profile.json",
      "reason": "Add a deduplicated planning profile from the live EBRPD preserve page reviewed on 2026-09-20.",
      "record_id": "claim-thurgood-marshall-regional-park-home-port-chicago-50-visitor-profile",
      "record_type": "claim",
      "summary": "Add four additional previously uncaptured EBRPD park visitor profiles."
    }
  ],
  "navigation": {
    "next_id": "claim-tilden-camps-official",
    "position": 3422,
    "previous_id": "claim-thurgood-marshall-no-public-access",
    "total": 3965
  },
  "observations": [
    {
      "artifact_refs": [
        "Overview",
        "To Reach The Park",
        "Attractions"
      ],
      "content": "The live park page publishes the visitor profile represented by the associated claim, including access, operating information, facilities, and material restrictions.",
      "observation_id": "observation-ebrpd-thurgood-marshall-regional-park-home-port-chicago-50-visitor-profile",
      "observed_at": null,
      "observer": "Wayproof live source review",
      "retrieved_at": "2026-09-20T07:00:00+00:00",
      "source_id": "source-ebrpd-thurgood-marshall-regional-park-home-port-chicago-50-park-page"
    }
  ],
  "record": {
    "claim_id": "claim-thurgood-marshall-regional-park-home-port-chicago-50-visitor-profile",
    "evidence_ids": [
      "evidence-ebrpd-thurgood-marshall-regional-park-home-port-chicago-50-visitor-profile"
    ],
    "predicate": "visitor_profile",
    "spatial_scope_ids": [
      "scope-thurgood-marshall-regional-park-home-port-chicago-50"
    ],
    "subject_id": "park-thurgood-marshall-regional-park-home-port-chicago-50",
    "temporal_scope": null,
    "value": {
      "future_acreage": 3000,
      "future_facilities": [
        "visitor center",
        "public transit routes",
        "public access points",
        "staging areas",
        "camping",
        "hiking",
        "biking",
        "picnic areas"
      ],
      "location": "Concord Hills",
      "planning_note": "future facilities are planned rather than currently available",
      "public_access": "occasional naturalist-led tours and public events only",
      "purpose": [
        "interpret the Port Chicago disaster and the Port Chicago 50",
        "connect communities",
        "protect habitat and wildlife corridors"
      ],
      "status": "land bank; closed with no general public access"
    }
  },
  "record_type": "claim",
  "related_records": [],
  "sources": [
    {
      "locator": "https://www.ebparks.org/parks/thurgood-marshall-regional-park-home-port-chicago-50",
      "publisher": "East Bay Regional Park District",
      "source_id": "source-ebrpd-thurgood-marshall-regional-park-home-port-chicago-50-park-page"
    }
  ]
}