{
  "claims": [
    {
      "claim": {
        "claim_id": "claim-cull-canyon-visitor-profile",
        "evidence_ids": [
          "evidence-ebrpd-cull-canyon-visitor-profile"
        ],
        "predicate": "visitor_profile",
        "spatial_scope_ids": [
          "scope-cull-canyon-regional-recreation-area"
        ],
        "subject_id": "park-cull-canyon-regional-recreation-area",
        "temporal_scope": null,
        "value": {
          "access": [
            "Cull Canyon Road entrance",
            "Columbia Drive walk-in entrances",
            "Heyer Avenue walk-in entrance"
          ],
          "activities": [
            "dogs",
            "hiking",
            "kid-friendly",
            "picnicking",
            "swimming"
          ],
          "address": "18825 Cull Canyon Road, Castro Valley, CA 94552",
          "curfew": "22:00–05:00",
          "parking_fee_usd": 0,
          "picnicking": {
            "reservable_sites_outside_swim_complex": true,
            "reservation_required_group_size": 30
          },
          "seasonal_parking_lot_hours": "08:00–22:00 March–November; 08:00–20:00 December–February",
          "swim_facility": {
            "capacity_rule": "no new entries for the remainder of the day after capacity is reached",
            "cashless": true,
            "dogs_allowed": false,
            "fee_required": true,
            "hours": "11:00–18:00; water closes 17:30",
            "restrictions": [
              "no alcohol",
              "no glass containers",
              "no portable barbecues"
            ],
            "season": "weekends and holidays May 16–September 27"
          },
          "trail": {
            "connections": [
              "Anthony Chabot Regional Park",
              "Garin Regional Park"
            ],
            "ebmud_permit_required_section": true,
            "name": "Chabot-to-Garin Regional Trail"
          }
        }
      },
      "evidence": [
        {
          "claim_id": "claim-cull-canyon-visitor-profile",
          "evidence_id": "evidence-ebrpd-cull-canyon-visitor-profile",
          "notes": "Direct transcription and conservative structuring of planning-relevant fields from the official park page.",
          "observation_id": "observation-ebrpd-cull-canyon-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-cull-canyon-visitor-profile",
          "observed_at": null,
          "observer": "Wayproof live source review",
          "retrieved_at": "2026-09-20T07:00:00+00:00",
          "source_id": "source-ebrpd-cull-canyon-park-page"
        }
      ],
      "sources": [
        {
          "locator": "https://www.ebparks.org/parks/cull-canyon",
          "publisher": "East Bay Regional Park District",
          "source_id": "source-ebrpd-cull-canyon-park-page"
        }
      ]
    }
  ],
  "entities": [
    {
      "entity_id": "park-cull-canyon-regional-recreation-area",
      "kind": "park",
      "name": "Cull Canyon Regional Recreation Area"
    }
  ],
  "history": [
    {
      "action": "ADD",
      "change_set_id": "wp-20260920-ebrpd-parks-batch-07",
      "evidence_refs": [
        "evidence-ebrpd-cull-canyon-visitor-profile"
      ],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/claims/claim-cull-canyon-visitor-profile.json",
      "reason": "Add a deduplicated planning profile from the live EBRPD preserve page reviewed on 2026-09-20.",
      "record_id": "claim-cull-canyon-visitor-profile",
      "record_type": "claim",
      "summary": "Add four additional previously uncaptured EBRPD park visitor profiles."
    }
  ],
  "navigation": {
    "next_id": "claim-dam-oshaughnessy-hetch-hetchy-map-point",
    "position": 104,
    "previous_id": "claim-crown-water-quality-20260922",
    "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-cull-canyon-visitor-profile",
      "observed_at": null,
      "observer": "Wayproof live source review",
      "retrieved_at": "2026-09-20T07:00:00+00:00",
      "source_id": "source-ebrpd-cull-canyon-park-page"
    }
  ],
  "record": {
    "claim_id": "claim-cull-canyon-visitor-profile",
    "evidence_ids": [
      "evidence-ebrpd-cull-canyon-visitor-profile"
    ],
    "predicate": "visitor_profile",
    "spatial_scope_ids": [
      "scope-cull-canyon-regional-recreation-area"
    ],
    "subject_id": "park-cull-canyon-regional-recreation-area",
    "temporal_scope": null,
    "value": {
      "access": [
        "Cull Canyon Road entrance",
        "Columbia Drive walk-in entrances",
        "Heyer Avenue walk-in entrance"
      ],
      "activities": [
        "dogs",
        "hiking",
        "kid-friendly",
        "picnicking",
        "swimming"
      ],
      "address": "18825 Cull Canyon Road, Castro Valley, CA 94552",
      "curfew": "22:00–05:00",
      "parking_fee_usd": 0,
      "picnicking": {
        "reservable_sites_outside_swim_complex": true,
        "reservation_required_group_size": 30
      },
      "seasonal_parking_lot_hours": "08:00–22:00 March–November; 08:00–20:00 December–February",
      "swim_facility": {
        "capacity_rule": "no new entries for the remainder of the day after capacity is reached",
        "cashless": true,
        "dogs_allowed": false,
        "fee_required": true,
        "hours": "11:00–18:00; water closes 17:30",
        "restrictions": [
          "no alcohol",
          "no glass containers",
          "no portable barbecues"
        ],
        "season": "weekends and holidays May 16–September 27"
      },
      "trail": {
        "connections": [
          "Anthony Chabot Regional Park",
          "Garin Regional Park"
        ],
        "ebmud_permit_required_section": true,
        "name": "Chabot-to-Garin Regional Trail"
      }
    }
  },
  "record_type": "claim",
  "related_records": [],
  "sources": [
    {
      "locator": "https://www.ebparks.org/parks/cull-canyon",
      "publisher": "East Bay Regional Park District",
      "source_id": "source-ebrpd-cull-canyon-park-page"
    }
  ]
}