{
  "claims": [
    {
      "claim": {
        "claim_id": "claim-browns-island-visitor-profile",
        "evidence_ids": [
          "evidence-ebrpd-browns-island-visitor-profile"
        ],
        "predicate": "visitor_profile",
        "spatial_scope_ids": [
          "scope-browns-island"
        ],
        "subject_id": "park-browns-island",
        "temporal_scope": null,
        "value": {
          "access": "restricted; by arrangement only",
          "access_contact": "510-544-3095",
          "acreage": 595,
          "address": "Browns Island, Pittsburg, CA",
          "facilities": false,
          "hours": "05:00–22:00",
          "planning_notes": [
            "six rare and endangered plant species",
            "aquatic bird habitat"
          ],
          "setting": "island at the junction of the Sacramento and San Joaquin rivers in the Sacramento Delta"
        }
      },
      "evidence": [
        {
          "claim_id": "claim-browns-island-visitor-profile",
          "evidence_id": "evidence-ebrpd-browns-island-visitor-profile",
          "notes": "Direct transcription and conservative structuring of planning-relevant fields from the official park page.",
          "observation_id": "observation-ebrpd-browns-island-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-browns-island-visitor-profile",
          "observed_at": null,
          "observer": "Wayproof live source review",
          "retrieved_at": "2026-09-20T07:00:00+00:00",
          "source_id": "source-ebrpd-browns-island-park-page"
        }
      ],
      "sources": [
        {
          "locator": "https://www.ebparks.org/parks/browns-island",
          "publisher": "East Bay Regional Park District",
          "source_id": "source-ebrpd-browns-island-park-page"
        }
      ]
    }
  ],
  "entities": [
    {
      "entity_id": "park-browns-island",
      "kind": "park",
      "name": "Browns Island"
    }
  ],
  "history": [
    {
      "action": "ADD",
      "change_set_id": "wp-20260920-ebrpd-parks-batch-05",
      "evidence_refs": [
        "evidence-ebrpd-browns-island-visitor-profile"
      ],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/claims/claim-browns-island-visitor-profile.json",
      "reason": "Add a deduplicated planning profile from the live EBRPD preserve page reviewed on 2026-09-20.",
      "record_id": "claim-browns-island-visitor-profile",
      "record_type": "claim",
      "summary": "Add four additional previously uncaptured EBRPD park visitor profiles."
    }
  ],
  "navigation": {
    "next_id": "claim-brushy-peak-visitor-profile",
    "position": 59,
    "previous_id": "claim-brooks-island-visitor-profile",
    "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-browns-island-visitor-profile",
      "observed_at": null,
      "observer": "Wayproof live source review",
      "retrieved_at": "2026-09-20T07:00:00+00:00",
      "source_id": "source-ebrpd-browns-island-park-page"
    }
  ],
  "record": {
    "claim_id": "claim-browns-island-visitor-profile",
    "evidence_ids": [
      "evidence-ebrpd-browns-island-visitor-profile"
    ],
    "predicate": "visitor_profile",
    "spatial_scope_ids": [
      "scope-browns-island"
    ],
    "subject_id": "park-browns-island",
    "temporal_scope": null,
    "value": {
      "access": "restricted; by arrangement only",
      "access_contact": "510-544-3095",
      "acreage": 595,
      "address": "Browns Island, Pittsburg, CA",
      "facilities": false,
      "hours": "05:00–22:00",
      "planning_notes": [
        "six rare and endangered plant species",
        "aquatic bird habitat"
      ],
      "setting": "island at the junction of the Sacramento and San Joaquin rivers in the Sacramento Delta"
    }
  },
  "record_type": "claim",
  "related_records": [],
  "sources": [
    {
      "locator": "https://www.ebparks.org/parks/browns-island",
      "publisher": "East Bay Regional Park District",
      "source_id": "source-ebrpd-browns-island-park-page"
    }
  ]
}