{
  "answerability": "evidence_backed_claims_available",
  "claims": [
    {
      "claim": {
        "claim_id": "claim-user-sunol-pit-toilet-202609",
        "evidence_ids": [
          "evidence-user-sunol-pit-toilet-202609"
        ],
        "predicate": "firsthand_facility_observation",
        "spatial_scope_ids": [
          "scope-sunol-backpack-camp"
        ],
        "subject_id": "facility-sunol-backpack-pit-toilet",
        "temporal_scope": null,
        "value": {
          "facility_type": "pit toilet",
          "latitude": 37.5122487,
          "longitude": -121.7929973,
          "observed_period": "early September 2026",
          "observed_present": true,
          "provenance_class": "user_firsthand_field_observation"
        }
      },
      "evidence": [
        {
          "claim_id": "claim-user-sunol-pit-toilet-202609",
          "evidence_id": "evidence-user-sunol-pit-toilet-202609",
          "notes": "Firsthand user observation with a user-supplied coordinate pin; distinct from official EBRPD evidence.",
          "observation_id": "observation-user-sunol-pit-toilet-202609",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [
            "User firsthand trip report",
            "User-supplied Google Maps pin"
          ],
          "content": "The user reports personally observing the restroom as a pit toilet during an Ohlone trip in early September 2026. The supplied pin resolves to 37.5122487, -121.7929973. The date is intentionally retained as the user-provided approximate period rather than converted to an invented exact day.",
          "observation_id": "observation-user-sunol-pit-toilet-202609",
          "observed_at": null,
          "observer": "User firsthand field observation, transcribed by Wayproof",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "source_id": "source-google-maps-sunol-pit-toilet"
        }
      ],
      "sources": [
        {
          "locator": "https://maps.app.goo.gl/RgTjZuVJ9Kc56Q6MA?g_st=ic",
          "publisher": "Google Maps (user-supplied field-observation pin)",
          "source_id": "source-google-maps-sunol-pit-toilet"
        }
      ],
      "subject": {
        "entity_id": "facility-sunol-backpack-pit-toilet",
        "kind": "restroom",
        "name": "Sunol Backpack Camp pit toilet"
      }
    },
    {
      "claim": {
        "claim_id": "claim-user-sunol-water-spigot-202609",
        "evidence_ids": [
          "evidence-user-sunol-water-spigot-202609"
        ],
        "predicate": "firsthand_facility_observation",
        "spatial_scope_ids": [
          "scope-sunol-backpack-camp"
        ],
        "subject_id": "water-ohlone-backpack-camp",
        "temporal_scope": null,
        "value": {
          "facility_type": "water spigot",
          "latitude": 37.5115678,
          "longitude": -121.7924162,
          "observed_period": "early September 2026",
          "observed_present_and_used": true,
          "official_availability_claim_id": "claim-ohlone-water-availability-20260919",
          "official_source_name": "Backpack Camp",
          "provenance_class": "user_firsthand_field_observation"
        }
      },
      "evidence": [
        {
          "claim_id": "claim-user-sunol-water-spigot-202609",
          "evidence_id": "evidence-user-sunol-water-spigot-202609",
          "notes": "Firsthand user observation with a user-supplied coordinate pin; distinct from official EBRPD evidence.",
          "observation_id": "observation-user-sunol-water-spigot-202609",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [
            "User firsthand trip report",
            "User-supplied Google Maps pin"
          ],
          "content": "The user reports personally using this water spigot during an Ohlone trip in early September 2026 and identifies it as the source EBRPD calls Backpack Camp in its Ohlone water-availability list. The supplied pin resolves to 37.5115678, -121.7924162. EBRPD independently reports Backpack Camp water available; the user observation supplies the physical pin. The date is intentionally retained as the user-provided approximate period rather than converted to an invented exact day.",
          "observation_id": "observation-user-sunol-water-spigot-202609",
          "observed_at": null,
          "observer": "User firsthand field observation, transcribed by Wayproof",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "source_id": "source-google-maps-sunol-water-spigot"
        }
      ],
      "sources": [
        {
          "locator": "https://maps.app.goo.gl/Eec6BSzq7dsBbMQS7?g_st=ic",
          "publisher": "Google Maps (user-supplied field-observation pin)",
          "source_id": "source-google-maps-sunol-water-spigot"
        }
      ],
      "subject": {
        "entity_id": "water-ohlone-backpack-camp",
        "kind": "water_source",
        "name": "Backpack Camp"
      }
    },
    {
      "claim": {
        "claim_id": "claim-google-maps-sunol-backpack-site-coordinates",
        "evidence_ids": [
          "evidence-google-maps-sunol-eagles-aerie-coordinate",
          "evidence-google-maps-sunol-hawks-nest-coordinate",
          "evidence-google-maps-sunol-sky-camp-coordinate",
          "evidence-google-maps-sunol-stars-rest-coordinate",
          "evidence-google-maps-sunol-sycamore-coordinate",
          "evidence-google-maps-sunol-cathedral-coordinate",
          "evidence-google-maps-sunol-oak-view-coordinate"
        ],
        "predicate": "google_maps_labeled_site_coordinates",
        "spatial_scope_ids": [
          "scope-sunol-backpack-camp"
        ],
        "subject_id": "camp-ohlone-map-sunol-backpack",
        "temporal_scope": null,
        "value": {
          "authoritative": false,
          "coordinate_basis": "center of Google Maps displayed 10-character Plus Code cell",
          "provenance_class": "user_supplied_google_maps_labeled_places",
          "sites": {
            "campsite-reserveamerica-sunol-316": {
              "label": "Sycamore Camp",
              "latitude": 37.5131875,
              "longitude": -121.7941875,
              "plus_code": "849WG674+78",
              "source_id": "source-google-maps-sunol-sycamore"
            },
            "campsite-reserveamerica-sunol-357": {
              "label": "Eagles Aerie Backpack Camp",
              "latitude": 37.5110625,
              "longitude": -121.7923125,
              "plus_code": "849WG665+C3",
              "source_id": "source-google-maps-sunol-eagles-aerie"
            },
            "campsite-reserveamerica-sunol-375": {
              "label": "Hawks Nest Backpack Camp",
              "latitude": 37.5116875,
              "longitude": -121.7926875,
              "plus_code": "849WG664+MW",
              "source_id": "source-google-maps-sunol-hawks-nest"
            },
            "campsite-reserveamerica-sunol-389": {
              "label": "Sky Camp Backpack Camp",
              "latitude": 37.5100625,
              "longitude": -121.7933125,
              "plus_code": "849WG664+2M",
              "source_id": "source-google-maps-sunol-sky-camp"
            },
            "campsite-reserveamerica-sunol-390": {
              "label": "Cathedral Backpack Camp",
              "latitude": 37.5106875,
              "longitude": -121.7961875,
              "plus_code": "849WG663+7G",
              "source_id": "source-google-maps-sunol-cathedral"
            },
            "campsite-reserveamerica-sunol-391": {
              "label": "Oak View Backpack Camp",
              "latitude": 37.5093125,
              "longitude": -121.7968125,
              "plus_code": "849WG653+P7",
              "source_id": "source-google-maps-sunol-oak-view"
            },
            "campsite-reserveamerica-sunol-393": {
              "label": "Stars Rest Backpack Camp",
              "latitude": 37.5133125,
              "longitude": -121.7925625,
              "plus_code": "849WG674+8X",
              "source_id": "source-google-maps-sunol-stars-rest"
            }
          }
        }
      },
      "evidence": [
        {
          "claim_id": "claim-google-maps-sunol-backpack-site-coordinates",
          "evidence_id": "evidence-google-maps-sunol-eagles-aerie-coordinate",
          "notes": "Supports a Google-labeled approximate place coordinate only; it does not close the gap for authoritative campsite coordinates.",
          "observation_id": "observation-google-maps-sunol-eagles-aerie-coordinate",
          "stance": "supports"
        },
        {
          "claim_id": "claim-google-maps-sunol-backpack-site-coordinates",
          "evidence_id": "evidence-google-maps-sunol-hawks-nest-coordinate",
          "notes": "Supports a Google-labeled approximate place coordinate only; it does not close the gap for authoritative campsite coordinates.",
          "observation_id": "observation-google-maps-sunol-hawks-nest-coordinate",
          "stance": "supports"
        },
        {
          "claim_id": "claim-google-maps-sunol-backpack-site-coordinates",
          "evidence_id": "evidence-google-maps-sunol-sky-camp-coordinate",
          "notes": "Supports a Google-labeled approximate place coordinate only; it does not close the gap for authoritative campsite coordinates.",
          "observation_id": "observation-google-maps-sunol-sky-camp-coordinate",
          "stance": "supports"
        },
        {
          "claim_id": "claim-google-maps-sunol-backpack-site-coordinates",
          "evidence_id": "evidence-google-maps-sunol-stars-rest-coordinate",
          "notes": "Supports a Google-labeled approximate place coordinate only; it does not close the gap for authoritative campsite coordinates.",
          "observation_id": "observation-google-maps-sunol-stars-rest-coordinate",
          "stance": "supports"
        },
        {
          "claim_id": "claim-google-maps-sunol-backpack-site-coordinates",
          "evidence_id": "evidence-google-maps-sunol-sycamore-coordinate",
          "notes": "Supports a Google-labeled approximate place coordinate only; it does not close the gap for authoritative campsite coordinates.",
          "observation_id": "observation-google-maps-sunol-sycamore-coordinate",
          "stance": "supports"
        },
        {
          "claim_id": "claim-google-maps-sunol-backpack-site-coordinates",
          "evidence_id": "evidence-google-maps-sunol-cathedral-coordinate",
          "notes": "Supports a Google-labeled approximate place coordinate only; it does not close the gap for authoritative campsite coordinates.",
          "observation_id": "observation-google-maps-sunol-cathedral-coordinate",
          "stance": "supports"
        },
        {
          "claim_id": "claim-google-maps-sunol-backpack-site-coordinates",
          "evidence_id": "evidence-google-maps-sunol-oak-view-coordinate",
          "notes": "Supports a Google-labeled approximate place coordinate only; it does not close the gap for authoritative campsite coordinates.",
          "observation_id": "observation-google-maps-sunol-oak-view-coordinate",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [
            "User-supplied Google Maps link",
            "Google Maps labeled place and Plus Code"
          ],
          "content": "The user-supplied link resolves to the Google Maps labeled place Eagles Aerie Backpack Camp. Google Maps displays Plus Code 849WG665+C3; the center of that 10-character Plus Code cell is 37.5110625, -121.7923125. This is an approximate Google Maps place coordinate, not an official EBRPD or surveyed campsite coordinate.",
          "observation_id": "observation-google-maps-sunol-eagles-aerie-coordinate",
          "observed_at": null,
          "observer": "Wayproof live browser review of user-supplied Google Maps link",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "source_id": "source-google-maps-sunol-eagles-aerie"
        },
        {
          "artifact_refs": [
            "User-supplied Google Maps link",
            "Google Maps labeled place and Plus Code"
          ],
          "content": "The user-supplied link resolves to the Google Maps labeled place Hawks Nest Backpack Camp. Google Maps displays Plus Code 849WG664+MW; the center of that 10-character Plus Code cell is 37.5116875, -121.7926875. This is an approximate Google Maps place coordinate, not an official EBRPD or surveyed campsite coordinate.",
          "observation_id": "observation-google-maps-sunol-hawks-nest-coordinate",
          "observed_at": null,
          "observer": "Wayproof live browser review of user-supplied Google Maps link",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "source_id": "source-google-maps-sunol-hawks-nest"
        },
        {
          "artifact_refs": [
            "User-supplied Google Maps link",
            "Google Maps labeled place and Plus Code"
          ],
          "content": "The user-supplied link resolves to the Google Maps labeled place Sky Camp Backpack Camp. Google Maps displays Plus Code 849WG664+2M; the center of that 10-character Plus Code cell is 37.5100625, -121.7933125. This is an approximate Google Maps place coordinate, not an official EBRPD or surveyed campsite coordinate.",
          "observation_id": "observation-google-maps-sunol-sky-camp-coordinate",
          "observed_at": null,
          "observer": "Wayproof live browser review of user-supplied Google Maps link",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "source_id": "source-google-maps-sunol-sky-camp"
        },
        {
          "artifact_refs": [
            "User-supplied Google Maps link",
            "Google Maps labeled place and Plus Code"
          ],
          "content": "The user-supplied link resolves to the Google Maps labeled place Stars Rest Backpack Camp. Google Maps displays Plus Code 849WG674+8X; the center of that 10-character Plus Code cell is 37.5133125, -121.7925625. This is an approximate Google Maps place coordinate, not an official EBRPD or surveyed campsite coordinate.",
          "observation_id": "observation-google-maps-sunol-stars-rest-coordinate",
          "observed_at": null,
          "observer": "Wayproof live browser review of user-supplied Google Maps link",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "source_id": "source-google-maps-sunol-stars-rest"
        },
        {
          "artifact_refs": [
            "User-supplied Google Maps link",
            "Google Maps labeled place and Plus Code"
          ],
          "content": "The user-supplied link resolves to the Google Maps labeled place Sycamore Camp. Google Maps displays Plus Code 849WG674+78; the center of that 10-character Plus Code cell is 37.5131875, -121.7941875. This is an approximate Google Maps place coordinate, not an official EBRPD or surveyed campsite coordinate.",
          "observation_id": "observation-google-maps-sunol-sycamore-coordinate",
          "observed_at": null,
          "observer": "Wayproof live browser review of user-supplied Google Maps link",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "source_id": "source-google-maps-sunol-sycamore"
        },
        {
          "artifact_refs": [
            "User-supplied Google Maps link",
            "Google Maps labeled place and Plus Code"
          ],
          "content": "The user-supplied link resolves to the Google Maps labeled place Cathedral Backpack Camp. Google Maps displays Plus Code 849WG663+7G; the center of that 10-character Plus Code cell is 37.5106875, -121.7961875. This is an approximate Google Maps place coordinate, not an official EBRPD or surveyed campsite coordinate.",
          "observation_id": "observation-google-maps-sunol-cathedral-coordinate",
          "observed_at": null,
          "observer": "Wayproof live browser review of user-supplied Google Maps link",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "source_id": "source-google-maps-sunol-cathedral"
        },
        {
          "artifact_refs": [
            "User-supplied Google Maps link",
            "Google Maps labeled place and Plus Code"
          ],
          "content": "The user-supplied link resolves to the Google Maps labeled place Oak View Backpack Camp. Google Maps displays Plus Code 849WG653+P7; the center of that 10-character Plus Code cell is 37.5093125, -121.7968125. This is an approximate Google Maps place coordinate, not an official EBRPD or surveyed campsite coordinate.",
          "observation_id": "observation-google-maps-sunol-oak-view-coordinate",
          "observed_at": null,
          "observer": "Wayproof live browser review of user-supplied Google Maps link",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "source_id": "source-google-maps-sunol-oak-view"
        }
      ],
      "sources": [
        {
          "locator": "https://maps.app.goo.gl/ukB1NwCuxR8GWNHD6?g_st=ic",
          "publisher": "Google Maps (user-supplied labeled place)",
          "source_id": "source-google-maps-sunol-eagles-aerie"
        },
        {
          "locator": "https://maps.app.goo.gl/LfLCoS5cYRPvy3Ea8?g_st=ic",
          "publisher": "Google Maps (user-supplied labeled place)",
          "source_id": "source-google-maps-sunol-hawks-nest"
        },
        {
          "locator": "https://maps.app.goo.gl/xv6Acp73E2a5vX3G9?g_st=ic",
          "publisher": "Google Maps (user-supplied labeled place)",
          "source_id": "source-google-maps-sunol-sky-camp"
        },
        {
          "locator": "https://maps.app.goo.gl/YiRjvjLubE3kBqZM6?g_st=ic",
          "publisher": "Google Maps (user-supplied labeled place)",
          "source_id": "source-google-maps-sunol-stars-rest"
        },
        {
          "locator": "https://maps.app.goo.gl/GYJ7pW7Z4nyJasAY9?g_st=ic",
          "publisher": "Google Maps (user-supplied labeled place)",
          "source_id": "source-google-maps-sunol-sycamore"
        },
        {
          "locator": "https://maps.app.goo.gl/TqXuWtvx8ozRrHZ48?g_st=ic",
          "publisher": "Google Maps (user-supplied labeled place)",
          "source_id": "source-google-maps-sunol-cathedral"
        },
        {
          "locator": "https://maps.app.goo.gl/oxeTW11p2TnhHkiq9?g_st=ic",
          "publisher": "Google Maps (user-supplied labeled place)",
          "source_id": "source-google-maps-sunol-oak-view"
        }
      ],
      "subject": {
        "entity_id": "camp-ohlone-map-sunol-backpack",
        "kind": "backcountry_camp",
        "name": "Sunol Backpack Camp"
      }
    },
    {
      "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"
        }
      ],
      "subject": {
        "entity_id": "camp-ohlone-map-sunol-backpack",
        "kind": "backcountry_camp",
        "name": "Sunol Backpack Camp"
      }
    },
    {
      "claim": {
        "claim_id": "claim-reserveamerica-sunol-one-site-per-party",
        "evidence_ids": [
          "evidence-reserveamerica-sunol-one-site-per-party"
        ],
        "predicate": "maximum_sites_per_party_per_date",
        "spatial_scope_ids": [
          "scope-sunol-backpack-camp"
        ],
        "subject_id": "camp-ohlone-map-sunol-backpack",
        "temporal_scope": null,
        "value": 1
      },
      "evidence": [
        {
          "claim_id": "claim-reserveamerica-sunol-one-site-per-party",
          "evidence_id": "evidence-reserveamerica-sunol-one-site-per-party",
          "notes": "Structured directly from the identified live page section.",
          "observation_id": "observation-reserveamerica-sunol-rules",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [
            "Additional Information"
          ],
          "content": "The rendered rules allow up to three consecutive nights for an Ohlone Wilderness Trail hike; prohibit campfires and charcoal barbecues while allowing camp stoves; prohibit dogs overnight at Mission Peak, Sunol, and Ohlone Trail sites; prohibit alcohol; require one backpack site maximum per party per date; and warn that cell reception may be spotty.",
          "observation_id": "observation-reserveamerica-sunol-rules",
          "observed_at": null,
          "observer": "Wayproof live Chrome source review",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "source_id": "source-reserveamerica-sunol-overview"
        }
      ],
      "sources": [
        {
          "locator": "https://www.reserveamerica.com/explore/sunol/EB/110028/overview",
          "publisher": "ReserveAmerica / East Bay Regional Park District",
          "source_id": "source-reserveamerica-sunol-overview"
        }
      ],
      "subject": {
        "entity_id": "camp-ohlone-map-sunol-backpack",
        "kind": "backcountry_camp",
        "name": "Sunol Backpack Camp"
      }
    },
    {
      "claim": {
        "claim_id": "claim-sunol-backpack-high-valley-use",
        "evidence_ids": [
          "evidence-sunol-backpack-high-valley-use"
        ],
        "predicate": "site_inventory",
        "spatial_scope_ids": [
          "scope-sunol-backpack-camp",
          "scope-sunol-high-valley-group-camp"
        ],
        "subject_id": "park-sunol-wilderness-regional-preserve",
        "temporal_scope": null,
        "value": {
          "campfires_allowed": false,
          "dogs_allowed_overnight": false,
          "high_valley_access": "steep",
          "high_valley_hike_in_miles": 1.0,
          "minimum_advance_business_days": 5,
          "reservation_channel": "phone",
          "season": "year_round",
          "sites": [
            "camp-ohlone-map-backpack",
            "camp-ohlone-map-high-valley-group"
          ],
          "sunol_backpack_permit_required": true
        }
      },
      "evidence": [
        {
          "claim_id": "claim-sunol-backpack-high-valley-use",
          "evidence_id": "evidence-sunol-backpack-high-valley-use",
          "notes": "Official Sunol visitor material directly identifies both camps and their booking, permit, access, fire, and dog constraints.",
          "observation_id": "observation-ebrpd-sunol-backpack-high-valley-20260922",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [
            "Sunol Backpack Area and High Valley Group Camp"
          ],
          "content": "Sunol Backpack Camp and High Valley Group Camp are open year-round by advance phone reservation at least five business days ahead. An Ohlone Wilderness Trail Permit is required at Sunol Backpack Camp. Dogs are not permitted overnight and campfires are prohibited. High Valley is a steep one-mile hike from the visitor center.",
          "observation_id": "observation-ebrpd-sunol-backpack-high-valley-20260922",
          "observed_at": null,
          "observer": "Wayproof official source review",
          "retrieved_at": "2026-09-22T00:00:00-07:00",
          "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"
        }
      ],
      "subject": {
        "entity_id": "park-sunol-wilderness-regional-preserve",
        "kind": "park",
        "name": "Sunol Wilderness Regional Preserve"
      }
    },
    {
      "claim": {
        "claim_id": "claim-sunol-eagles-aerie-eyrie-name-variants",
        "evidence_ids": [
          "evidence-ohlone-map-eagles-eyrie-spelling",
          "evidence-reserveamerica-eagles-aerie-spelling",
          "evidence-google-maps-eagles-aerie-spelling"
        ],
        "predicate": "source_name_variants",
        "spatial_scope_ids": [
          "scope-sunol-backpack-camp"
        ],
        "subject_id": "campsite-reserveamerica-sunol-357",
        "temporal_scope": null,
        "value": {
          "same_site": true,
          "variants": [
            {
              "name": "Eagles Eyrie",
              "source_id": "source-ebrpd-ohlone-wilderness-map-2025-08"
            },
            {
              "name": "Eagle's Aerie",
              "source_id": "source-reserveamerica-sunol-site-357"
            },
            {
              "name": "Eagles Aerie Backpack Camp",
              "source_id": "source-google-maps-sunol-eagles-aerie"
            }
          ]
        }
      },
      "evidence": [
        {
          "claim_id": "claim-sunol-eagles-aerie-eyrie-name-variants",
          "evidence_id": "evidence-ohlone-map-eagles-eyrie-spelling",
          "notes": "Supports the official trail map's Eyrie spelling.",
          "observation_id": "observation-ohlone-map-eagles-eyrie-spelling",
          "stance": "supports"
        },
        {
          "claim_id": "claim-sunol-eagles-aerie-eyrie-name-variants",
          "evidence_id": "evidence-reserveamerica-eagles-aerie-spelling",
          "notes": "Supports ReserveAmerica's Aerie spelling.",
          "observation_id": "observation-reserveamerica-sunol-site-357",
          "stance": "supports"
        },
        {
          "claim_id": "claim-sunol-eagles-aerie-eyrie-name-variants",
          "evidence_id": "evidence-google-maps-eagles-aerie-spelling",
          "notes": "Supports Google Maps' Aerie spelling.",
          "observation_id": "observation-google-maps-sunol-eagles-aerie-coordinate",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [
            "PDF page 1",
            "Sunol Backpack Camp site key"
          ],
          "content": "The official Ohlone Wilderness Permit Map spells the Sunol Backpack Camp site name \"Eagles Eyrie\". This differs from \"Eagle's Aerie\" on ReserveAmerica and \"Eagles Aerie Backpack Camp\" on Google Maps.",
          "observation_id": "observation-ohlone-map-eagles-eyrie-spelling",
          "observed_at": "2025-08-01T00:00:00+00:00",
          "observer": "Wayproof visual map review",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "source_id": "source-ebrpd-ohlone-wilderness-map-2025-08"
        },
        {
          "artifact_refs": [
            "Site Details"
          ],
          "content": "The live individual site page identifies SUN: EAGLE'S AERIE BP CAMP (10) in Sunol Backpack as BACKPACK SITE and publishes 12 structured site-detail fields. It exposes no GIS latitude or longitude.",
          "observation_id": "observation-reserveamerica-sunol-site-357",
          "observed_at": null,
          "observer": "Wayproof live Chrome source review",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "source_id": "source-reserveamerica-sunol-site-357"
        },
        {
          "artifact_refs": [
            "User-supplied Google Maps link",
            "Google Maps labeled place and Plus Code"
          ],
          "content": "The user-supplied link resolves to the Google Maps labeled place Eagles Aerie Backpack Camp. Google Maps displays Plus Code 849WG665+C3; the center of that 10-character Plus Code cell is 37.5110625, -121.7923125. This is an approximate Google Maps place coordinate, not an official EBRPD or surveyed campsite coordinate.",
          "observation_id": "observation-google-maps-sunol-eagles-aerie-coordinate",
          "observed_at": null,
          "observer": "Wayproof live browser review of user-supplied Google Maps link",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "source_id": "source-google-maps-sunol-eagles-aerie"
        }
      ],
      "sources": [
        {
          "locator": "https://www.ebparks.org/sites/default/files/Ohlone-Wilderness-Permit-Map-11x17.pdf",
          "publisher": "East Bay Regional Park District",
          "source_id": "source-ebrpd-ohlone-wilderness-map-2025-08"
        },
        {
          "locator": "https://www.reserveamerica.com/explore/sunol/EB/110028/357/campsite-booking",
          "publisher": "ReserveAmerica / East Bay Regional Park District",
          "source_id": "source-reserveamerica-sunol-site-357"
        },
        {
          "locator": "https://maps.app.goo.gl/ukB1NwCuxR8GWNHD6?g_st=ic",
          "publisher": "Google Maps (user-supplied labeled place)",
          "source_id": "source-google-maps-sunol-eagles-aerie"
        }
      ],
      "subject": {
        "entity_id": "campsite-reserveamerica-sunol-357",
        "kind": "campsite",
        "name": "SUN: EAGLE'S AERIE BP CAMP (10)"
      }
    }
  ],
  "entity": {
    "entity_id": "camp-ohlone-map-backpack",
    "kind": "backcountry_camp",
    "name": "Sunol Backpack Camp"
  },
  "gap_details": [],
  "history": [
    {
      "action": "ADD",
      "change_set_id": "wp-20260920-ebrpd-ohlone-map-2025-08",
      "evidence_refs": [],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/entities/camp-ohlone-map-backpack.json",
      "reason": "Add the August 2025 Ohlone map as dated spatial evidence without reviving its obsolete permit title.",
      "record_id": "camp-ohlone-map-backpack",
      "record_type": "entity",
      "summary": "Ingest the August 2025 Ohlone map as spatial evidence while bounding its permit-era title."
    },
    {
      "action": "REPLACE",
      "change_set_id": "wp-20260922-ebrpd-depth-completion-audit",
      "evidence_refs": [],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/entities/camp-ohlone-map-backpack.json",
      "reason": "Close the final orphaned Sunol camp records found by the EBRPD depth audit.",
      "record_id": "camp-ohlone-map-backpack",
      "record_type": "entity",
      "summary": "Close final EBRPD park-depth audit gaps and enforce coverage."
    },
    {
      "action": "ADD",
      "change_set_id": "wp-20260920-ohlone-official-camping-sources",
      "evidence_refs": [
        "evidence-user-sunol-pit-toilet-202609"
      ],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/claims/claim-user-sunol-pit-toilet-202609.json",
      "reason": "Add user-supplied Google Maps site labels and firsthand Sunol facility observations without representing them as official coordinates.",
      "record_id": "claim-user-sunol-pit-toilet-202609",
      "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."
    },
    {
      "action": "ADD",
      "change_set_id": "wp-20260920-ohlone-official-camping-sources",
      "evidence_refs": [
        "evidence-user-sunol-water-spigot-202609"
      ],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/claims/claim-user-sunol-water-spigot-202609.json",
      "reason": "Add user-supplied Google Maps site labels and firsthand Sunol facility observations without representing them as official coordinates.",
      "record_id": "claim-user-sunol-water-spigot-202609",
      "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."
    },
    {
      "action": "ADD",
      "change_set_id": "wp-20260920-ohlone-official-camping-sources",
      "evidence_refs": [
        "evidence-google-maps-sunol-eagles-aerie-coordinate",
        "evidence-google-maps-sunol-hawks-nest-coordinate",
        "evidence-google-maps-sunol-sky-camp-coordinate",
        "evidence-google-maps-sunol-stars-rest-coordinate",
        "evidence-google-maps-sunol-sycamore-coordinate",
        "evidence-google-maps-sunol-cathedral-coordinate",
        "evidence-google-maps-sunol-oak-view-coordinate"
      ],
      "knowledge_gap_refs": [
        "gap-reserveamerica-sunol-site-coordinates"
      ],
      "path": "canonical/v0/claims/claim-google-maps-sunol-backpack-site-coordinates.json",
      "reason": "Add user-supplied Google Maps site labels and firsthand Sunol facility observations without representing them as official coordinates.",
      "record_id": "claim-google-maps-sunol-backpack-site-coordinates",
      "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."
    },
    {
      "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."
    },
    {
      "action": "ADD",
      "change_set_id": "wp-20260920-sunol-ohlone-sources",
      "evidence_refs": [
        "evidence-reserveamerica-sunol-one-site-per-party"
      ],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/claims/claim-reserveamerica-sunol-one-site-per-party.json",
      "reason": "Add source-grounded Sunol and Ohlone trail knowledge with explicit provenance and applicability.",
      "record_id": "claim-reserveamerica-sunol-one-site-per-party",
      "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."
    },
    {
      "action": "ADD",
      "change_set_id": "wp-20260922-ebrpd-depth-completion-audit",
      "evidence_refs": [],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/claims/claim-sunol-backpack-high-valley-use.json",
      "reason": "Close the final orphaned Sunol camp records found by the EBRPD depth audit.",
      "record_id": "claim-sunol-backpack-high-valley-use",
      "record_type": "claim",
      "summary": "Close final EBRPD park-depth audit gaps and enforce coverage."
    },
    {
      "action": "ADD",
      "change_set_id": "wp-20260920-ohlone-official-camping-sources",
      "evidence_refs": [
        "evidence-ohlone-map-eagles-eyrie-spelling",
        "evidence-reserveamerica-eagles-aerie-spelling",
        "evidence-google-maps-eagles-aerie-spelling"
      ],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/claims/claim-sunol-eagles-aerie-eyrie-name-variants.json",
      "reason": "Preserve source-specific Aerie/Eyrie spellings as aliases and associate the firsthand spigot pin with EBRPD's existing Backpack Camp water-source identity.",
      "record_id": "claim-sunol-eagles-aerie-eyrie-name-variants",
      "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."
    }
  ],
  "journey": [],
  "knowledge_gaps": [],
  "reference_evidence": [],
  "relationships": [
    {
      "evidence_ids": [
        "evidence-sunol-backpack-high-valley-use"
      ],
      "object_id": "park-sunol-wilderness-regional-preserve",
      "predicate": "located_in",
      "relationship_id": "relationship-sunol-backpack-camp-in-park",
      "subject_id": "camp-ohlone-map-backpack",
      "temporal_scope": null
    }
  ],
  "route_geometry": null,
  "route_geometry_url": null,
  "type": "canonical_entity"
}