{
  "claims": [
    {
      "claim": {
        "claim_id": "claim-del-valle-camp-map-group-lead-time-2025",
        "evidence_ids": [
          "evidence-del-valle-camp-map-group-lead-time-2025"
        ],
        "predicate": "published_group_reservation_minimum_business_days",
        "spatial_scope_ids": [
          "scope-del-valle-group-camps"
        ],
        "subject_id": "campground-del-valle-family",
        "temporal_scope": {
          "ends_on": "2025-11-30",
          "starts_on": "2025-11-01"
        },
        "value": 5
      },
      "evidence": [
        {
          "claim_id": "claim-del-valle-camp-map-group-lead-time-2025",
          "evidence_id": "evidence-del-valle-camp-map-group-lead-time-2025",
          "notes": "Conflicts with current official pages, which report three business days.",
          "observation_id": "observation-del-valle-camp-map-2025",
          "stance": "conflicts"
        }
      ],
      "observations": [
        {
          "artifact_refs": [
            "PDF page 1",
            "PDF page 2"
          ],
          "content": "The campground map marked Rev. 2025/11 reports 145 family sites, a five-business-day group booking minimum, and rules and site details that conflict in places with newer live pages.",
          "observation_id": "observation-del-valle-camp-map-2025",
          "observed_at": "2025-11-01T00:00:00+00:00",
          "observer": "Wayproof source review",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "source_id": "source-ebrpd-del-valle-camp-map"
        }
      ],
      "sources": [
        {
          "locator": "https://www.ebparks.org/sites/default/files/DelValle-Camp-Map.pdf",
          "publisher": "East Bay Regional Park District",
          "source_id": "source-ebrpd-del-valle-camp-map"
        }
      ]
    }
  ],
  "entities": [
    {
      "entity_id": "campground-del-valle-family",
      "kind": "campground",
      "name": "Del Valle Family Campground"
    }
  ],
  "history": [
    {
      "action": "ADD",
      "change_set_id": "wp-20260920-ebrpd-del-valle-campground-corpus",
      "evidence_refs": [],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/claims/claim-del-valle-camp-map-group-lead-time-2025.json",
      "reason": "Add the official EBRPD Del Valle campground corpus, preserving dated conflicts and live recheck boundaries.",
      "record_id": "claim-del-valle-camp-map-group-lead-time-2025",
      "record_type": "claim",
      "summary": "Ingest eight official EBRPD campground sources with current, dated, conflicting, and volatile evidence kept distinct."
    }
  ],
  "navigation": {
    "next_id": "claim-del-valle-camp-map-inventory-2025",
    "position": 117,
    "previous_id": "claim-del-valle-cabin-site-use",
    "total": 3965
  },
  "observations": [
    {
      "artifact_refs": [
        "PDF page 1",
        "PDF page 2"
      ],
      "content": "The campground map marked Rev. 2025/11 reports 145 family sites, a five-business-day group booking minimum, and rules and site details that conflict in places with newer live pages.",
      "observation_id": "observation-del-valle-camp-map-2025",
      "observed_at": "2025-11-01T00:00:00+00:00",
      "observer": "Wayproof source review",
      "retrieved_at": "2026-09-20T00:00:00+00:00",
      "source_id": "source-ebrpd-del-valle-camp-map"
    }
  ],
  "record": {
    "claim_id": "claim-del-valle-camp-map-group-lead-time-2025",
    "evidence_ids": [
      "evidence-del-valle-camp-map-group-lead-time-2025"
    ],
    "predicate": "published_group_reservation_minimum_business_days",
    "spatial_scope_ids": [
      "scope-del-valle-group-camps"
    ],
    "subject_id": "campground-del-valle-family",
    "temporal_scope": {
      "ends_on": "2025-11-30",
      "starts_on": "2025-11-01"
    },
    "value": 5
  },
  "record_type": "claim",
  "related_records": [],
  "sources": [
    {
      "locator": "https://www.ebparks.org/sites/default/files/DelValle-Camp-Map.pdf",
      "publisher": "East Bay Regional Park District",
      "source_id": "source-ebrpd-del-valle-camp-map"
    }
  ]
}