{
  "claims": [
    {
      "claim": {
        "claim_id": "claim-tilden-nature-area-visitor-profile",
        "evidence_ids": [
          "evidence-ebrpd-tilden-nature-area-visitor-profile"
        ],
        "predicate": "visitor_profile",
        "spatial_scope_ids": [
          "scope-tilden-nature-area"
        ],
        "subject_id": "park-tilden-nature-area",
        "temporal_scope": null,
        "value": {
          "access": [
            "Environmental Education Center staging",
            "Lone Oak Road"
          ],
          "accessible_facilities": [
            "Environmental Education Center parking",
            "Environmental Education Center facilities"
          ],
          "acreage": 740,
          "activities": [
            "biking with restrictions",
            "camping",
            "hiking",
            "kid-friendly"
          ],
          "bike_restrictions": [
            "no bikes around the Environmental Education Center and Little Farm",
            "no bikes on single-track trails",
            "no mountain bikes on Laurel fire road"
          ],
          "dogs": false,
          "eec_address": "1500 Central Park Drive, Berkeley, CA 94708",
          "features": [
            "Environmental Education Center",
            "Little Farm",
            "Jewel Lake",
            "Wildcat Peak"
          ],
          "group_camps": [
            {
              "capacity_range": [
                17,
                50
              ],
              "name": "New Woodland"
            },
            {
              "capacity_range": [
                25,
                75
              ],
              "name": "Wildcat View"
            }
          ],
          "habitats": [
            "oak and bay woodland",
            "grassland",
            "eucalyptus forest",
            "streams"
          ],
          "hours": "05:00–22:00 unless otherwise posted or permitted",
          "jewel_lake_boardwalk_feet": 750,
          "parking_fee_usd": 0,
          "trail_miles_over": 10,
          "wildcat_peak_elevation_feet": 1211
        }
      },
      "evidence": [
        {
          "claim_id": "claim-tilden-nature-area-visitor-profile",
          "evidence_id": "evidence-ebrpd-tilden-nature-area-visitor-profile",
          "notes": "Direct transcription and conservative structuring of planning-relevant fields from the official park page.",
          "observation_id": "observation-ebrpd-tilden-nature-area-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-tilden-nature-area-visitor-profile",
          "observed_at": null,
          "observer": "Wayproof live source review",
          "retrieved_at": "2026-09-21T07:00:00+00:00",
          "source_id": "source-ebrpd-tilden-nature-area-park-page"
        }
      ],
      "sources": [
        {
          "locator": "https://www.ebparks.org/parks/tilden-nature-area",
          "publisher": "East Bay Regional Park District",
          "source_id": "source-ebrpd-tilden-nature-area-park-page"
        }
      ]
    }
  ],
  "entities": [
    {
      "entity_id": "park-tilden-nature-area",
      "kind": "park",
      "name": "Tilden Nature Area"
    }
  ],
  "history": [
    {
      "action": "ADD",
      "change_set_id": "wp-20260921-ebrpd-parks-batch-15",
      "evidence_refs": [],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/observations/observation-ebrpd-tilden-nature-area-visitor-profile.json",
      "reason": "Add a deduplicated planning profile from the live EBRPD park page reviewed on 2026-09-21.",
      "record_id": "observation-ebrpd-tilden-nature-area-visitor-profile",
      "record_type": "observation",
      "summary": "Complete the EBRPD park-directory coverage audit with the four remaining parkland profiles."
    }
  ],
  "navigation": {
    "next_id": "observation-ebrpd-tilden-visitor-profile",
    "position": 170,
    "previous_id": "observation-ebrpd-tilden-gps-coordinates-20260922",
    "total": 1318
  },
  "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-tilden-nature-area-visitor-profile",
      "observed_at": null,
      "observer": "Wayproof live source review",
      "retrieved_at": "2026-09-21T07:00:00+00:00",
      "source_id": "source-ebrpd-tilden-nature-area-park-page"
    }
  ],
  "record": {
    "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-tilden-nature-area-visitor-profile",
    "observed_at": null,
    "observer": "Wayproof live source review",
    "retrieved_at": "2026-09-21T07:00:00+00:00",
    "source_id": "source-ebrpd-tilden-nature-area-park-page"
  },
  "record_type": "observation",
  "related_records": [],
  "sources": [
    {
      "locator": "https://www.ebparks.org/parks/tilden-nature-area",
      "publisher": "East Bay Regional Park District",
      "source_id": "source-ebrpd-tilden-nature-area-park-page"
    }
  ]
}