{
  "claims": [
    {
      "claim": {
        "claim_id": "claim-sunol-backpack-map-layout-2015",
        "evidence_ids": [
          "evidence-ebrpd-sunol-camping-map-layout"
        ],
        "predicate": "historical_mapped_site_layout",
        "spatial_scope_ids": [
          "scope-sunol-backpack-camp"
        ],
        "subject_id": "camp-ohlone-map-sunol-backpack",
        "temporal_scope": {
          "ends_on": "2015-01-01",
          "starts_on": "2015-01-01"
        },
        "value": {
          "depicted_sites": [
            "Sycamore",
            "Stars Rest",
            "Hawks Nest",
            "Eagles Eyrie",
            "Sky Camp",
            "Cathedral",
            "Oak View"
          ],
          "has_shared_drinking_water_symbol": true,
          "has_shared_restroom_symbol": true,
          "measured_site_facility_distances": null,
          "site_coordinates": null
        }
      },
      "evidence": [
        {
          "claim_id": "claim-sunol-backpack-map-layout-2015",
          "evidence_id": "evidence-ebrpd-sunol-camping-map-layout",
          "notes": "Supports relative layout only. The 2015 map provides neither coordinates nor measured facility proximity.",
          "observation_id": "observation-ebrpd-sunol-camping-map-site-layout",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [
            "PDF page 1"
          ],
          "content": "The map depicts the relative locations of Sycamore, Stars Rest, Hawks Nest, Eagles Eyrie, Sky Camp, Cathedral, and Oak View within the Sunol Backpack Camping Area. It also depicts shared drinking-water and restroom symbols. The map does not publish GIS coordinates or measured site-to-facility distances.",
          "observation_id": "observation-ebrpd-sunol-camping-map-site-layout",
          "observed_at": "2015-01-01T00:00:00+00:00",
          "observer": "Wayproof source review",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "source_id": "source-ebrpd-sunol-camping-map-2015"
        }
      ],
      "sources": [
        {
          "locator": "https://www.ebparks.org/maps/sunol-camping",
          "publisher": "East Bay Regional Park District",
          "source_id": "source-ebrpd-sunol-camping-map-2015"
        }
      ]
    }
  ],
  "entities": [
    {
      "entity_id": "camp-ohlone-map-sunol-backpack",
      "kind": "backcountry_camp",
      "name": "Sunol Backpack Camp"
    }
  ],
  "history": [
    {
      "action": "ADD",
      "change_set_id": "wp-20260920-ohlone-official-camping-sources",
      "evidence_refs": [
        "evidence-ebrpd-sunol-camping-map-layout"
      ],
      "knowledge_gap_refs": [
        "gap-reserveamerica-sunol-site-water-restroom-proximity",
        "gap-reserveamerica-sunol-site-coordinates"
      ],
      "path": "canonical/v0/claims/claim-sunol-backpack-map-layout-2015.json",
      "reason": "Promote the dated map depiction without implying current precision.",
      "record_id": "claim-sunol-backpack-map-layout-2015",
      "record_type": "claim",
      "summary": "Ingest official Ohlone camping sources, Google-labeled campsite coordinates, firsthand Backpack Camp spigot and pit-toilet observations, and source-specific Eagles Aerie/Eyrie naming; preserve provenance boundaries and unresolved authoritative-coordinate and measured-proximity gaps."
    }
  ],
  "navigation": {
    "next_id": "claim-sunol-cell-reception-spotty",
    "position": 3330,
    "previous_id": "claim-sunol-backpack-high-valley-use",
    "total": 3965
  },
  "observations": [
    {
      "artifact_refs": [
        "PDF page 1"
      ],
      "content": "The map depicts the relative locations of Sycamore, Stars Rest, Hawks Nest, Eagles Eyrie, Sky Camp, Cathedral, and Oak View within the Sunol Backpack Camping Area. It also depicts shared drinking-water and restroom symbols. The map does not publish GIS coordinates or measured site-to-facility distances.",
      "observation_id": "observation-ebrpd-sunol-camping-map-site-layout",
      "observed_at": "2015-01-01T00:00:00+00:00",
      "observer": "Wayproof source review",
      "retrieved_at": "2026-09-20T00:00:00+00:00",
      "source_id": "source-ebrpd-sunol-camping-map-2015"
    }
  ],
  "record": {
    "claim_id": "claim-sunol-backpack-map-layout-2015",
    "evidence_ids": [
      "evidence-ebrpd-sunol-camping-map-layout"
    ],
    "predicate": "historical_mapped_site_layout",
    "spatial_scope_ids": [
      "scope-sunol-backpack-camp"
    ],
    "subject_id": "camp-ohlone-map-sunol-backpack",
    "temporal_scope": {
      "ends_on": "2015-01-01",
      "starts_on": "2015-01-01"
    },
    "value": {
      "depicted_sites": [
        "Sycamore",
        "Stars Rest",
        "Hawks Nest",
        "Eagles Eyrie",
        "Sky Camp",
        "Cathedral",
        "Oak View"
      ],
      "has_shared_drinking_water_symbol": true,
      "has_shared_restroom_symbol": true,
      "measured_site_facility_distances": null,
      "site_coordinates": null
    }
  },
  "record_type": "claim",
  "related_records": [],
  "sources": [
    {
      "locator": "https://www.ebparks.org/maps/sunol-camping",
      "publisher": "East Bay Regional Park District",
      "source_id": "source-ebrpd-sunol-camping-map-2015"
    }
  ]
}