{
  "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"
        }
      ]
    },
    {
      "claim": {
        "claim_id": "claim-del-valle-camp-map-inventory-2025",
        "evidence_ids": [
          "evidence-del-valle-camp-map-inventory-2025"
        ],
        "predicate": "published_family_site_count",
        "spatial_scope_ids": [
          "scope-del-valle-family-campground"
        ],
        "subject_id": "campground-del-valle-family",
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          "ends_on": "2025-11-30",
          "starts_on": "2025-11-01"
        },
        "value": 145
      },
      "evidence": [
        {
          "claim_id": "claim-del-valle-camp-map-inventory-2025",
          "evidence_id": "evidence-del-valle-camp-map-inventory-2025",
          "notes": "Conflicts with current official pages and ReserveAmerica, which report 150.",
          "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"
        }
      ]
    },
    {
      "claim": {
        "claim_id": "claim-del-valle-campground-inventory",
        "evidence_ids": [
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          "evidence-del-valle-ebrpd-campground-inventory",
          "evidence-del-valle-camping-current-inventory"
        ],
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        ],
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          "drive_up_tent": 124,
          "rv_full_hookup": 21,
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        }
      },
      "evidence": [
        {
          "claim_id": "claim-del-valle-campground-inventory",
          "evidence_id": "evidence-del-valle-campground-inventory",
          "notes": "",
          "observation_id": "observation-del-valle-campground-inventory",
          "stance": "supports"
        },
        {
          "claim_id": "claim-del-valle-campground-inventory",
          "evidence_id": "evidence-del-valle-ebrpd-campground-inventory",
          "notes": "",
          "observation_id": "observation-del-valle-ebrpd-campground",
          "stance": "supports"
        },
        {
          "claim_id": "claim-del-valle-campground-inventory",
          "evidence_id": "evidence-del-valle-camping-current-inventory",
          "notes": "",
          "observation_id": "observation-del-valle-camping-inventory",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "The page describes Del Valle Family Campground as 150 campsites: 21 RV sites with full hookups, 124 drive-up tent sites, and five cabins, served by centrally located toilets and showers.",
          "observation_id": "observation-del-valle-campground-inventory",
          "observed_at": null,
          "observer": "user-supplied page transcription",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "source_id": "source-reserveamerica-del-valle-overview-110003"
        },
        {
          "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"
        },
        {
          "artifact_refs": [],
          "content": "The current camping page lists 150 family sites: 21 full-hookup RV sites, 124 drive-up tent sites, and five cabins; all family sites allow at most eight people and two vehicles.",
          "observation_id": "observation-del-valle-camping-inventory",
          "observed_at": null,
          "observer": "Wayproof source review",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "source_id": "source-ebrpd-del-valle-camping"
        }
      ],
      "sources": [
        {
          "locator": "https://www.reserveamerica.com/explore/del-valle/EB/110003/overview",
          "publisher": "ReserveAmerica / East Bay Regional Park District",
          "source_id": "source-reserveamerica-del-valle-overview-110003"
        },
        {
          "locator": "https://www.ebparks.org/parks/del-valle",
          "publisher": "East Bay Regional Park District",
          "source_id": "source-ebrpd-del-valle-park-page"
        },
        {
          "locator": "https://www.ebparks.org/parks/del-valle/camping",
          "publisher": "East Bay Regional Park District",
          "source_id": "source-ebrpd-del-valle-camping"
        }
      ]
    },
    {
      "claim": {
        "claim_id": "claim-del-valle-group-booking",
        "evidence_ids": [
          "evidence-del-valle-group-booking",
          "evidence-del-valle-camping-current-group-booking"
        ],
        "predicate": "group_camping_reservation",
        "spatial_scope_ids": [
          "scope-del-valle-park"
        ],
        "subject_id": "park-del-valle-regional-park",
        "temporal_scope": null,
        "value": {
          "channel": "phone",
          "minimum_advance_business_days": 3,
          "minimum_group_size": 17
        }
      },
      "evidence": [
        {
          "claim_id": "claim-del-valle-group-booking",
          "evidence_id": "evidence-del-valle-group-booking",
          "notes": "",
          "observation_id": "observation-del-valle-group-booking",
          "stance": "supports"
        },
        {
          "claim_id": "claim-del-valle-group-booking",
          "evidence_id": "evidence-del-valle-camping-current-group-booking",
          "notes": "",
          "observation_id": "observation-del-valle-camping-reservations",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "Groups of 17 or more are directed to group campsites. Group campsites are available by phone reservation only and require at least three business days of advance notice; requirements may differ for reservations made less than seven days ahead.",
          "observation_id": "observation-del-valle-group-booking",
          "observed_at": null,
          "observer": "user-supplied page transcription",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "source_id": "source-reserveamerica-del-valle-overview-110003"
        },
        {
          "artifact_refs": [],
          "content": "Camping requires a reservation. Family sites require at least two business days; group sites at least three. ADA and group reservations are phone-only. Family sites may also be booked online.",
          "observation_id": "observation-del-valle-camping-reservations",
          "observed_at": null,
          "observer": "Wayproof source review",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "source_id": "source-ebrpd-del-valle-camping"
        }
      ],
      "sources": [
        {
          "locator": "https://www.reserveamerica.com/explore/del-valle/EB/110003/overview",
          "publisher": "ReserveAmerica / East Bay Regional Park District",
          "source_id": "source-reserveamerica-del-valle-overview-110003"
        },
        {
          "locator": "https://www.ebparks.org/parks/del-valle/camping",
          "publisher": "East Bay Regional Park District",
          "source_id": "source-ebrpd-del-valle-camping"
        }
      ]
    }
  ],
  "entities": [
    {
      "entity_id": "campground-del-valle-family",
      "kind": "campground",
      "name": "Del Valle Family Campground"
    },
    {
      "entity_id": "park-del-valle-regional-park",
      "kind": "park",
      "name": "Del Valle Regional Park"
    }
  ],
  "history": [
    {
      "action": "ADD",
      "change_set_id": "wp-20260920-ebrpd-del-valle-campground-corpus",
      "evidence_refs": [],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/gaps/gap-del-valle-camp-map-currentness.json",
      "reason": "Add the official EBRPD Del Valle campground corpus, preserving dated conflicts and live recheck boundaries.",
      "record_id": "gap-del-valle-camp-map-currentness",
      "record_type": "gap",
      "summary": "Ingest eight official EBRPD campground sources with current, dated, conflicting, and volatile evidence kept distinct."
    }
  ],
  "navigation": {
    "next_id": "gap-del-valle-current-algae-status",
    "position": 6,
    "previous_id": "gap-del-valle-accessibility-specifics",
    "total": 299
  },
  "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"
    },
    {
      "artifact_refs": [],
      "content": "The page describes Del Valle Family Campground as 150 campsites: 21 RV sites with full hookups, 124 drive-up tent sites, and five cabins, served by centrally located toilets and showers.",
      "observation_id": "observation-del-valle-campground-inventory",
      "observed_at": null,
      "observer": "user-supplied page transcription",
      "retrieved_at": "2026-09-20T00:00:00+00:00",
      "source_id": "source-reserveamerica-del-valle-overview-110003"
    },
    {
      "artifact_refs": [],
      "content": "The current camping page lists 150 family sites: 21 full-hookup RV sites, 124 drive-up tent sites, and five cabins; all family sites allow at most eight people and two vehicles.",
      "observation_id": "observation-del-valle-camping-inventory",
      "observed_at": null,
      "observer": "Wayproof source review",
      "retrieved_at": "2026-09-20T00:00:00+00:00",
      "source_id": "source-ebrpd-del-valle-camping"
    },
    {
      "artifact_refs": [],
      "content": "Camping requires a reservation. Family sites require at least two business days; group sites at least three. ADA and group reservations are phone-only. Family sites may also be booked online.",
      "observation_id": "observation-del-valle-camping-reservations",
      "observed_at": null,
      "observer": "Wayproof source review",
      "retrieved_at": "2026-09-20T00:00:00+00:00",
      "source_id": "source-ebrpd-del-valle-camping"
    },
    {
      "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"
    },
    {
      "artifact_refs": [],
      "content": "Groups of 17 or more are directed to group campsites. Group campsites are available by phone reservation only and require at least three business days of advance notice; requirements may differ for reservations made less than seven days ahead.",
      "observation_id": "observation-del-valle-group-booking",
      "observed_at": null,
      "observer": "user-supplied page transcription",
      "retrieved_at": "2026-09-20T00:00:00+00:00",
      "source_id": "source-reserveamerica-del-valle-overview-110003"
    }
  ],
  "record": {
    "gap_id": "gap-del-valle-camp-map-currentness",
    "question": "Which campground-map facts remain current after newer official camping pages?",
    "reason": "The dated map reports 145 sites and five-day group lead time; newer official sources report 150 and three days.",
    "related_ids": [
      "claim-del-valle-camp-map-inventory-2025",
      "claim-del-valle-camp-map-group-lead-time-2025",
      "claim-del-valle-campground-inventory",
      "claim-del-valle-group-booking"
    ]
  },
  "record_type": "gap",
  "related_records": [
    {
      "record": {
        "claim_id": "claim-del-valle-camp-map-inventory-2025",
        "evidence_ids": [
          "evidence-del-valle-camp-map-inventory-2025"
        ],
        "predicate": "published_family_site_count",
        "spatial_scope_ids": [
          "scope-del-valle-family-campground"
        ],
        "subject_id": "campground-del-valle-family",
        "temporal_scope": {
          "ends_on": "2025-11-30",
          "starts_on": "2025-11-01"
        },
        "value": 145
      },
      "record_id": "claim-del-valle-camp-map-inventory-2025",
      "record_type": "claim"
    },
    {
      "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_id": "claim-del-valle-camp-map-group-lead-time-2025",
      "record_type": "claim"
    },
    {
      "record": {
        "claim_id": "claim-del-valle-campground-inventory",
        "evidence_ids": [
          "evidence-del-valle-campground-inventory",
          "evidence-del-valle-ebrpd-campground-inventory",
          "evidence-del-valle-camping-current-inventory"
        ],
        "predicate": "site_inventory",
        "spatial_scope_ids": [
          "scope-del-valle-family-campground"
        ],
        "subject_id": "campground-del-valle-family",
        "temporal_scope": null,
        "value": {
          "cabins": 5,
          "drive_up_tent": 124,
          "rv_full_hookup": 21,
          "total": 150
        }
      },
      "record_id": "claim-del-valle-campground-inventory",
      "record_type": "claim"
    },
    {
      "record": {
        "claim_id": "claim-del-valle-group-booking",
        "evidence_ids": [
          "evidence-del-valle-group-booking",
          "evidence-del-valle-camping-current-group-booking"
        ],
        "predicate": "group_camping_reservation",
        "spatial_scope_ids": [
          "scope-del-valle-park"
        ],
        "subject_id": "park-del-valle-regional-park",
        "temporal_scope": null,
        "value": {
          "channel": "phone",
          "minimum_advance_business_days": 3,
          "minimum_group_size": 17
        }
      },
      "record_id": "claim-del-valle-group-booking",
      "record_type": "claim"
    }
  ],
  "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"
    },
    {
      "locator": "https://www.ebparks.org/parks/del-valle/camping",
      "publisher": "East Bay Regional Park District",
      "source_id": "source-ebrpd-del-valle-camping"
    },
    {
      "locator": "https://www.ebparks.org/parks/del-valle",
      "publisher": "East Bay Regional Park District",
      "source_id": "source-ebrpd-del-valle-park-page"
    },
    {
      "locator": "https://www.reserveamerica.com/explore/del-valle/EB/110003/overview",
      "publisher": "ReserveAmerica / East Bay Regional Park District",
      "source_id": "source-reserveamerica-del-valle-overview-110003"
    }
  ]
}