{
  "claims": [
    {
      "claim": {
        "claim_id": "claim-sunol-swimming-wading-prohibited",
        "evidence_ids": [
          "evidence-sunol-swimming-wading-prohibited"
        ],
        "predicate": "water_contact_allowed",
        "spatial_scope_ids": [
          "scope-sunol-wilderness-regional-preserve"
        ],
        "subject_id": "park-sunol-wilderness-regional-preserve",
        "temporal_scope": null,
        "value": false
      },
      "evidence": [
        {
          "claim_id": "claim-sunol-swimming-wading-prohibited",
          "evidence_id": "evidence-sunol-swimming-wading-prohibited",
          "notes": "Structured directly from the identified live page section.",
          "observation_id": "observation-ebrpd-sunol-recreation",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [
            "Attractions",
            "Sunol Backpack Area",
            "Ohlone Wilderness Trail"
          ],
          "content": "The page prohibits swimming or wading in Alameda Creek or elsewhere in Sunol, identifies a reservation-only Sunol Backpack Area, and describes the Ohlone Wilderness Trail as part of Sunol recreation.",
          "observation_id": "observation-ebrpd-sunol-recreation",
          "observed_at": null,
          "observer": "Wayproof live source review",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "source_id": "source-ebrpd-sunol-park-page"
        }
      ],
      "sources": [
        {
          "locator": "https://www.ebparks.org/parks/sunol",
          "publisher": "East Bay Regional Park District",
          "source_id": "source-ebrpd-sunol-park-page"
        }
      ]
    }
  ],
  "entities": [
    {
      "entity_id": "park-sunol-wilderness-regional-preserve",
      "kind": "park",
      "name": "Sunol Wilderness Regional Preserve"
    }
  ],
  "history": [
    {
      "action": "ADD",
      "change_set_id": "wp-20260920-sunol-ohlone-sources",
      "evidence_refs": [
        "evidence-sunol-swimming-wading-prohibited"
      ],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/claims/claim-sunol-swimming-wading-prohibited.json",
      "reason": "Add source-grounded Sunol and Ohlone trail knowledge with explicit provenance and applicability.",
      "record_id": "claim-sunol-swimming-wading-prohibited",
      "record_type": "claim",
      "summary": "Add the EBRPD Sunol park page and ReserveAmerica Sunol overview, corroborate Ohlone permit and reservation policy, and add bounded Sunol access, safety, camping, and volatile-condition knowledge."
    }
  ],
  "navigation": {
    "next_id": "claim-sunol-visitor-access",
    "position": 3336,
    "previous_id": "claim-sunol-shady-glen-trail-closed-20260920",
    "total": 3965
  },
  "observations": [
    {
      "artifact_refs": [
        "Attractions",
        "Sunol Backpack Area",
        "Ohlone Wilderness Trail"
      ],
      "content": "The page prohibits swimming or wading in Alameda Creek or elsewhere in Sunol, identifies a reservation-only Sunol Backpack Area, and describes the Ohlone Wilderness Trail as part of Sunol recreation.",
      "observation_id": "observation-ebrpd-sunol-recreation",
      "observed_at": null,
      "observer": "Wayproof live source review",
      "retrieved_at": "2026-09-20T00:00:00+00:00",
      "source_id": "source-ebrpd-sunol-park-page"
    }
  ],
  "record": {
    "claim_id": "claim-sunol-swimming-wading-prohibited",
    "evidence_ids": [
      "evidence-sunol-swimming-wading-prohibited"
    ],
    "predicate": "water_contact_allowed",
    "spatial_scope_ids": [
      "scope-sunol-wilderness-regional-preserve"
    ],
    "subject_id": "park-sunol-wilderness-regional-preserve",
    "temporal_scope": null,
    "value": false
  },
  "record_type": "claim",
  "related_records": [],
  "sources": [
    {
      "locator": "https://www.ebparks.org/parks/sunol",
      "publisher": "East Bay Regional Park District",
      "source_id": "source-ebrpd-sunol-park-page"
    }
  ]
}