{
  "claims": [
    {
      "claim": {
        "claim_id": "claim-five-canyons-visitor-profile",
        "evidence_ids": [
          "evidence-ebrpd-five-canyons-visitor-profile"
        ],
        "predicate": "visitor_profile",
        "spatial_scope_ids": [
          "scope-five-canyons-open-space"
        ],
        "subject_id": "park-five-canyons-open-space",
        "temporal_scope": null,
        "value": {
          "access": "Chabot-to-Garin Regional Trail crossing north of Five Canyons Parkway and Boulder Canyon Drive; nearby street and HARD park parking",
          "acreage_over": 300,
          "activities": [
            "biking",
            "dogs",
            "hiking"
          ],
          "address": "5909 Gold Creek Drive, Castro Valley, CA 94552",
          "current_connections": [
            "Cull Canyon Regional Recreation Area",
            "Don Castro Regional Recreation Area",
            "Hayward Area Recreation and Park District parks"
          ],
          "future_connections": [
            "Garin Regional Park",
            "Dry Creek Pioneer Regional Park",
            "Mission Peak Regional Preserve"
          ],
          "hours": "08:00 to dusk",
          "internal_routes": "several loop trails through canyons and ridgelines",
          "parking_fee_usd": 0,
          "regional_trail": "Bay Area Ridge Trail",
          "trail_miles": 5,
          "wheelchair_accessible_facilities": false
        }
      },
      "evidence": [
        {
          "claim_id": "claim-five-canyons-visitor-profile",
          "evidence_id": "evidence-ebrpd-five-canyons-visitor-profile",
          "notes": "Direct transcription and conservative structuring of planning-relevant fields from the official park page.",
          "observation_id": "observation-ebrpd-five-canyons-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-five-canyons-visitor-profile",
          "observed_at": null,
          "observer": "Wayproof live source review",
          "retrieved_at": "2026-09-20T07:00:00+00:00",
          "source_id": "source-ebrpd-five-canyons-park-page"
        }
      ],
      "sources": [
        {
          "locator": "https://www.ebparks.org/parks/five-canyons",
          "publisher": "East Bay Regional Park District",
          "source_id": "source-ebrpd-five-canyons-park-page"
        }
      ]
    }
  ],
  "entities": [
    {
      "entity_id": "park-five-canyons-open-space",
      "kind": "park",
      "name": "Five Canyons Open Space"
    }
  ],
  "history": [
    {
      "action": "ADD",
      "change_set_id": "wp-20260920-ebrpd-parks-batch-08",
      "evidence_refs": [
        "evidence-ebrpd-five-canyons-visitor-profile"
      ],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/claims/claim-five-canyons-visitor-profile.json",
      "reason": "Add a deduplicated planning profile from the live EBRPD preserve page reviewed on 2026-09-20.",
      "record_id": "claim-five-canyons-visitor-profile",
      "record_type": "claim",
      "summary": "Add four additional previously uncaptured EBRPD park visitor profiles."
    }
  ],
  "navigation": {
    "next_id": "claim-four-mile-trail-published-profile",
    "position": 963,
    "previous_id": "claim-facility-yosemite-valley-welcome-center-map-point",
    "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-five-canyons-visitor-profile",
      "observed_at": null,
      "observer": "Wayproof live source review",
      "retrieved_at": "2026-09-20T07:00:00+00:00",
      "source_id": "source-ebrpd-five-canyons-park-page"
    }
  ],
  "record": {
    "claim_id": "claim-five-canyons-visitor-profile",
    "evidence_ids": [
      "evidence-ebrpd-five-canyons-visitor-profile"
    ],
    "predicate": "visitor_profile",
    "spatial_scope_ids": [
      "scope-five-canyons-open-space"
    ],
    "subject_id": "park-five-canyons-open-space",
    "temporal_scope": null,
    "value": {
      "access": "Chabot-to-Garin Regional Trail crossing north of Five Canyons Parkway and Boulder Canyon Drive; nearby street and HARD park parking",
      "acreage_over": 300,
      "activities": [
        "biking",
        "dogs",
        "hiking"
      ],
      "address": "5909 Gold Creek Drive, Castro Valley, CA 94552",
      "current_connections": [
        "Cull Canyon Regional Recreation Area",
        "Don Castro Regional Recreation Area",
        "Hayward Area Recreation and Park District parks"
      ],
      "future_connections": [
        "Garin Regional Park",
        "Dry Creek Pioneer Regional Park",
        "Mission Peak Regional Preserve"
      ],
      "hours": "08:00 to dusk",
      "internal_routes": "several loop trails through canyons and ridgelines",
      "parking_fee_usd": 0,
      "regional_trail": "Bay Area Ridge Trail",
      "trail_miles": 5,
      "wheelchair_accessible_facilities": false
    }
  },
  "record_type": "claim",
  "related_records": [],
  "sources": [
    {
      "locator": "https://www.ebparks.org/parks/five-canyons",
      "publisher": "East Bay Regional Park District",
      "source_id": "source-ebrpd-five-canyons-park-page"
    }
  ]
}