{
  "claims": [
    {
      "claim": {
        "claim_id": "claim-mclaughlin-eastshore-visitor-profile",
        "evidence_ids": [
          "evidence-ebrpd-mclaughlin-eastshore-visitor-profile"
        ],
        "predicate": "visitor_profile",
        "spatial_scope_ids": [
          "scope-mclaughlin-eastshore-state-park"
        ],
        "subject_id": "park-mclaughlin-eastshore-state-park",
        "temporal_scope": null,
        "value": {
          "access": [
            "Richmond Central Avenue",
            "Albany Buchanan Street",
            "Berkeley Gilman Street",
            "Berkeley University Avenue",
            "Berkeley Ashby Avenue",
            "Emeryville Powell Street"
          ],
          "accessible_facilities": [
            "two Berkeley Meadow trails",
            "restroom at the end of Buchanan Street"
          ],
          "acreage": 1833,
          "activities": [
            "biking",
            "hiking"
          ],
          "extent": [
            "Oakland",
            "Emeryville",
            "Berkeley",
            "Albany",
            "Richmond"
          ],
          "habitats": [
            "tidal marshes",
            "beaches",
            "seasonal wetlands",
            "coastal prairie",
            "coastal scrub"
          ],
          "hours": "05:00–22:00 unless otherwise posted or permitted",
          "relationship": {
            "albany_bulb": "adjacent, city-operated, and outside park boundary",
            "point_isabel_to_richmond_marina": "multi-use trail connection"
          },
          "shoreline_miles": 8.5,
          "trails": "pedestrian and bicycle trails run almost the entire park length",
          "water_trail": "Albany Beach is a conditionally designated San Francisco Bay Water Trail trailhead"
        }
      },
      "evidence": [
        {
          "claim_id": "claim-mclaughlin-eastshore-visitor-profile",
          "evidence_id": "evidence-ebrpd-mclaughlin-eastshore-visitor-profile",
          "notes": "Direct transcription and conservative structuring of planning-relevant fields from the official park page.",
          "observation_id": "observation-ebrpd-mclaughlin-eastshore-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-mclaughlin-eastshore-visitor-profile",
          "observed_at": null,
          "observer": "Wayproof live source review",
          "retrieved_at": "2026-09-20T07:00:00+00:00",
          "source_id": "source-ebrpd-mclaughlin-eastshore-park-page"
        }
      ],
      "sources": [
        {
          "locator": "https://www.ebparks.org/parks/mclaughlin-eastshore",
          "publisher": "East Bay Regional Park District",
          "source_id": "source-ebrpd-mclaughlin-eastshore-park-page"
        }
      ]
    }
  ],
  "entities": [
    {
      "entity_id": "park-mclaughlin-eastshore-state-park",
      "kind": "park",
      "name": "McLaughlin Eastshore State Park"
    }
  ],
  "history": [
    {
      "action": "ADD",
      "change_set_id": "wp-20260920-ebrpd-parks-batch-10",
      "evidence_refs": [],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/sources/source-ebrpd-mclaughlin-eastshore-park-page.json",
      "reason": "Add a deduplicated planning profile from the live EBRPD preserve page reviewed on 2026-09-20.",
      "record_id": "source-ebrpd-mclaughlin-eastshore-park-page",
      "record_type": "source",
      "summary": "Add four additional previously uncaptured EBRPD park visitor profiles."
    }
  ],
  "navigation": {
    "next_id": "source-ebrpd-miller-knox-park-page",
    "position": 59,
    "previous_id": "source-ebrpd-martin-luther-king-park-page",
    "total": 587
  },
  "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-mclaughlin-eastshore-visitor-profile",
      "observed_at": null,
      "observer": "Wayproof live source review",
      "retrieved_at": "2026-09-20T07:00:00+00:00",
      "source_id": "source-ebrpd-mclaughlin-eastshore-park-page"
    }
  ],
  "record": {
    "locator": "https://www.ebparks.org/parks/mclaughlin-eastshore",
    "publisher": "East Bay Regional Park District",
    "source_id": "source-ebrpd-mclaughlin-eastshore-park-page"
  },
  "record_type": "source",
  "related_records": [],
  "sources": [
    {
      "locator": "https://www.ebparks.org/parks/mclaughlin-eastshore",
      "publisher": "East Bay Regional Park District",
      "source_id": "source-ebrpd-mclaughlin-eastshore-park-page"
    }
  ]
}