{
  "claims": [
    {
      "claim": {
        "claim_id": "claim-del-valle-ebrpd-campground-accessibility",
        "evidence_ids": [
          "evidence-del-valle-ebrpd-campground-accessibility"
        ],
        "predicate": "accessibility_features",
        "spatial_scope_ids": [
          "scope-del-valle-family-campground"
        ],
        "subject_id": "campground-del-valle-family",
        "temporal_scope": null,
        "value": {
          "bathroom_buildings_wheelchair_accessible": true,
          "many_water_fountains_wheelchair_accessible": true,
          "wheelchair_accessible_sites": 2
        }
      },
      "evidence": [
        {
          "claim_id": "claim-del-valle-ebrpd-campground-accessibility",
          "evidence_id": "evidence-del-valle-ebrpd-campground-accessibility",
          "notes": "",
          "observation_id": "observation-del-valle-ebrpd-campground",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "The EBRPD page states that the family campground has 150 sites, including two accessible sites and 21 sites with water, sewage, and 120-volt 50/30-amp electrical hookups; toilets and showers are centrally located. It separately states that five cabin sites take up to eight people and sleep five.",
          "observation_id": "observation-del-valle-ebrpd-campground",
          "observed_at": null,
          "observer": "user-supplied page transcription",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "source_id": "source-ebrpd-del-valle-park-page"
        }
      ],
      "sources": [
        {
          "locator": "https://www.ebparks.org/parks/del-valle",
          "publisher": "East Bay Regional Park District",
          "source_id": "source-ebrpd-del-valle-park-page"
        }
      ]
    }
  ],
  "entities": [
    {
      "entity_id": "campground-del-valle-family",
      "kind": "campground",
      "name": "Del Valle Family Campground"
    }
  ],
  "history": [
    {
      "action": "ADD",
      "change_set_id": "wp-20260920-del-valle-ebrpd-park-page",
      "evidence_refs": [
        "evidence-del-valle-ebrpd-campground-accessibility"
      ],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/claims/claim-del-valle-ebrpd-campground-accessibility.json",
      "reason": "Add EBRPD park-page evidence, preserve conflicts, and refine current Del Valle knowledge.",
      "record_id": "claim-del-valle-ebrpd-campground-accessibility",
      "record_type": "claim",
      "summary": "Add EBRPD Del Valle park-page evidence, corroborate the 150-site campground inventory, preserve the acreage conflict, and capture dated operational conditions and rechecks."
    }
  ],
  "navigation": {
    "next_id": "claim-del-valle-ebrpd-clean-drain-dry",
    "position": 132,
    "previous_id": "claim-del-valle-ebrpd-camp-store-schedule",
    "total": 3965
  },
  "observations": [
    {
      "artifact_refs": [],
      "content": "The EBRPD page states that the family campground has 150 sites, including two accessible sites and 21 sites with water, sewage, and 120-volt 50/30-amp electrical hookups; toilets and showers are centrally located. It separately states that five cabin sites take up to eight people and sleep five.",
      "observation_id": "observation-del-valle-ebrpd-campground",
      "observed_at": null,
      "observer": "user-supplied page transcription",
      "retrieved_at": "2026-09-20T00:00:00+00:00",
      "source_id": "source-ebrpd-del-valle-park-page"
    }
  ],
  "record": {
    "claim_id": "claim-del-valle-ebrpd-campground-accessibility",
    "evidence_ids": [
      "evidence-del-valle-ebrpd-campground-accessibility"
    ],
    "predicate": "accessibility_features",
    "spatial_scope_ids": [
      "scope-del-valle-family-campground"
    ],
    "subject_id": "campground-del-valle-family",
    "temporal_scope": null,
    "value": {
      "bathroom_buildings_wheelchair_accessible": true,
      "many_water_fountains_wheelchair_accessible": true,
      "wheelchair_accessible_sites": 2
    }
  },
  "record_type": "claim",
  "related_records": [],
  "sources": [
    {
      "locator": "https://www.ebparks.org/parks/del-valle",
      "publisher": "East Bay Regional Park District",
      "source_id": "source-ebrpd-del-valle-park-page"
    }
  ]
}