{
  "claims": [
    {
      "claim": {
        "claim_id": "claim-shadow-cliffs-visitor-profile",
        "evidence_ids": [
          "evidence-ebrpd-shadow-cliffs-visitor-profile"
        ],
        "predicate": "visitor_profile",
        "spatial_scope_ids": [
          "scope-shadow-cliffs-regional-recreation-area"
        ],
        "subject_id": "park-shadow-cliffs-regional-recreation-area",
        "temporal_scope": null,
        "value": {
          "access": [
            "Stanley Boulevard entrance",
            "Vineyard Avenue staging",
            "Stanley Boulevard walk-in"
          ],
          "accessible_facilities": [
            "parking",
            "trails",
            "picnic tables",
            "restrooms",
            "fishing pier",
            "bathhouse",
            "beach wheelchairs",
            "interpretive pavilion",
            "Lake Trail"
          ],
          "acreage": {
            "main_lake": 80,
            "park": 266
          },
          "activities": [
            "boating",
            "dogs",
            "fishing",
            "hiking",
            "kid-friendly",
            "picnicking",
            "swimming"
          ],
          "address": "2500 Stanley Boulevard, Pleasanton, CA 94566",
          "boating": {
            "arroyo_boating": false,
            "electric_motors_only": true,
            "gas_engines": false,
            "inspection_required": true,
            "jet_skis": false,
            "maximum_boat_length_feet": 17
          },
          "bus_fee_usd": 25,
          "daily_fishing_permit_usd": 5,
          "parking_fee_usd": 5,
          "restrictions": {
            "alcohol": false,
            "arroyo_swimming": false,
            "group_picnic_reservation_minimum_business_days": 3,
            "pets_on_swim_beach": false
          },
          "seasonal_hours": "06:00 or 07:00 opening; closing varies from 17:00 to 21:00",
          "trailered_vehicle_fee_usd": 5
        }
      },
      "evidence": [
        {
          "claim_id": "claim-shadow-cliffs-visitor-profile",
          "evidence_id": "evidence-ebrpd-shadow-cliffs-visitor-profile",
          "notes": "Direct transcription and conservative structuring of planning-relevant fields from the official park page.",
          "observation_id": "observation-ebrpd-shadow-cliffs-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-shadow-cliffs-visitor-profile",
          "observed_at": null,
          "observer": "Wayproof live source review",
          "retrieved_at": "2026-09-20T07:00:00+00:00",
          "source_id": "source-ebrpd-shadow-cliffs-park-page"
        }
      ],
      "sources": [
        {
          "locator": "https://www.ebparks.org/parks/shadow-cliffs",
          "publisher": "East Bay Regional Park District",
          "source_id": "source-ebrpd-shadow-cliffs-park-page"
        }
      ]
    }
  ],
  "entities": [
    {
      "entity_id": "park-shadow-cliffs-regional-recreation-area",
      "kind": "park",
      "name": "Shadow Cliffs Regional Recreation Area"
    }
  ],
  "history": [
    {
      "action": "ADD",
      "change_set_id": "wp-20260921-ebrpd-parks-batch-12",
      "evidence_refs": [],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/sources/source-ebrpd-shadow-cliffs-park-page.json",
      "reason": "Add a deduplicated planning profile from the live EBRPD preserve page reviewed on 2026-09-20.",
      "record_id": "source-ebrpd-shadow-cliffs-park-page",
      "record_type": "source",
      "summary": "Add four additional previously uncaptured EBRPD park visitor profiles."
    }
  ],
  "navigation": {
    "next_id": "source-ebrpd-sibley-volcanic-park-page",
    "position": 80,
    "previous_id": "source-ebrpd-seasonal-closures-2026",
    "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-shadow-cliffs-visitor-profile",
      "observed_at": null,
      "observer": "Wayproof live source review",
      "retrieved_at": "2026-09-20T07:00:00+00:00",
      "source_id": "source-ebrpd-shadow-cliffs-park-page"
    }
  ],
  "record": {
    "locator": "https://www.ebparks.org/parks/shadow-cliffs",
    "publisher": "East Bay Regional Park District",
    "source_id": "source-ebrpd-shadow-cliffs-park-page"
  },
  "record_type": "source",
  "related_records": [],
  "sources": [
    {
      "locator": "https://www.ebparks.org/parks/shadow-cliffs",
      "publisher": "East Bay Regional Park District",
      "source_id": "source-ebrpd-shadow-cliffs-park-page"
    }
  ]
}