{
  "answerability": "evidence_backed_claims_available",
  "claims": [
    {
      "claim": {
        "claim_id": "claim-sunol-cell-reception-spotty",
        "evidence_ids": [
          "evidence-sunol-cell-reception-spotty"
        ],
        "predicate": "cell_reception",
        "spatial_scope_ids": [
          "scope-sunol-wilderness-regional-preserve"
        ],
        "subject_id": "park-sunol-wilderness-regional-preserve",
        "temporal_scope": null,
        "value": "may_be_spotty"
      },
      "evidence": [
        {
          "claim_id": "claim-sunol-cell-reception-spotty",
          "evidence_id": "evidence-sunol-cell-reception-spotty",
          "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": "park-sunol-wilderness-regional-preserve",
        "kind": "park",
        "name": "Sunol Wilderness Regional Preserve"
      }
    },
    {
      "claim": {
        "claim_id": "claim-sunol-drinking-water-unavailable",
        "evidence_ids": [
          "evidence-sunol-drinking-water-unavailable"
        ],
        "predicate": "drinking_water_available",
        "spatial_scope_ids": [
          "scope-sunol-wilderness-regional-preserve"
        ],
        "subject_id": "park-sunol-wilderness-regional-preserve",
        "temporal_scope": null,
        "value": false
      },
      "evidence": [
        {
          "claim_id": "claim-sunol-drinking-water-unavailable",
          "evidence_id": "evidence-sunol-drinking-water-unavailable",
          "notes": "Structured directly from the identified live page section.",
          "observation_id": "observation-ebrpd-sunol-current-conditions",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [
            "Shady Glen Trail Closure",
            "No Open Fires or Barbecues",
            "Overview"
          ],
          "content": "The page states that Shady Glen Trail is currently closed, updated September 20, 2026; prohibits open fires and barbecues of any type; permits gas-fueled stoves only at Alameda Grove and School Camp; and says visitors must bring drinking water because no drinking water is available in the park.",
          "observation_id": "observation-ebrpd-sunol-current-conditions",
          "observed_at": null,
          "observer": "Wayproof live source review",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "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-fire-policy-20260920",
        "evidence_ids": [
          "evidence-sunol-fire-policy-20260920"
        ],
        "predicate": "fire_policy",
        "spatial_scope_ids": [
          "scope-sunol-wilderness-regional-preserve"
        ],
        "subject_id": "park-sunol-wilderness-regional-preserve",
        "temporal_scope": {
          "ends_on": null,
          "starts_on": "2026-09-20"
        },
        "value": {
          "barbecues": false,
          "gas_stoves_allowed_only_at": [
            "Alameda Grove",
            "School Camp"
          ],
          "open_fires": false
        }
      },
      "evidence": [
        {
          "claim_id": "claim-sunol-fire-policy-20260920",
          "evidence_id": "evidence-sunol-fire-policy-20260920",
          "notes": "Structured directly from the identified live page section.",
          "observation_id": "observation-ebrpd-sunol-current-conditions",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [
            "Shady Glen Trail Closure",
            "No Open Fires or Barbecues",
            "Overview"
          ],
          "content": "The page states that Shady Glen Trail is currently closed, updated September 20, 2026; prohibits open fires and barbecues of any type; permits gas-fueled stoves only at Alameda Grove and School Camp; and says visitors must bring drinking water because no drinking water is available in the park.",
          "observation_id": "observation-ebrpd-sunol-current-conditions",
          "observed_at": null,
          "observer": "Wayproof live source review",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "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-park-sunol-wilderness-regional-preserve-boundary-geometry-20260924",
        "evidence_ids": [
          "evidence-park-sunol-wilderness-regional-preserve-boundary-geometry-20260924"
        ],
        "predicate": "managed_land_boundary_geometry",
        "spatial_scope_ids": [],
        "subject_id": "park-sunol-wilderness-regional-preserve",
        "temporal_scope": null,
        "value": {
          "boundary_geometry_snapshot": {
            "feature_ids": [
              "ebrpd:118",
              "ebrpd:119"
            ],
            "path": "geometry/v0/snapshots/ebrpd-managed-land-boundaries-20260924.geojson",
            "sha256": "4e6558956f4f397816d719ff87554289e08dd495314b2d57c83d1634f083e3e5"
          },
          "boundary_type": "managed_land_status_polygons",
          "coordinate_precision_decimal_degrees": 5,
          "coordinate_reference_system": "EPSG:4326",
          "navigation_grade": false
        }
      },
      "evidence": [
        {
          "claim_id": "claim-park-sunol-wilderness-regional-preserve-boundary-geometry-20260924",
          "evidence_id": "evidence-park-sunol-wilderness-regional-preserve-boundary-geometry-20260924",
          "notes": "Supports the selected source polygons and their retained boundary semantics.",
          "observation_id": "observation-managed-land-boundaries-ebrpd-20260924",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [
            "geometry/v0/snapshots/ebrpd-managed-land-boundaries-20260924.geojson"
          ],
          "content": "EBRPD's open-data layer reports the selected current managed-land polygons; parkland and landbank status remain separate.",
          "observation_id": "observation-managed-land-boundaries-ebrpd-20260924",
          "observed_at": null,
          "observer": "",
          "retrieved_at": "2026-09-24T22:00:00+00:00",
          "source_id": "source-ebrpd-managed-land-boundaries-20260924"
        }
      ],
      "sources": [
        {
          "locator": "https://services2.arcgis.com/jeEP9c9zZoQQwtck/arcgis/rest/services/EBRPD_Parks/FeatureServer/0",
          "publisher": "East Bay Regional Park District",
          "source_id": "source-ebrpd-managed-land-boundaries-20260924"
        }
      ],
      "subject": {
        "entity_id": "park-sunol-wilderness-regional-preserve",
        "kind": "park",
        "name": "Sunol Wilderness Regional Preserve"
      }
    },
    {
      "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-shady-glen-trail-closed-20260920",
        "evidence_ids": [
          "evidence-sunol-shady-glen-trail-closed-20260920"
        ],
        "predicate": "trail_closure",
        "spatial_scope_ids": [
          "scope-sunol-wilderness-regional-preserve"
        ],
        "subject_id": "park-sunol-wilderness-regional-preserve",
        "temporal_scope": {
          "ends_on": null,
          "starts_on": "2026-09-20"
        },
        "value": {
          "status": "closed",
          "trail": "Shady Glen Trail",
          "updated_on": "2026-09-20"
        }
      },
      "evidence": [
        {
          "claim_id": "claim-sunol-shady-glen-trail-closed-20260920",
          "evidence_id": "evidence-sunol-shady-glen-trail-closed-20260920",
          "notes": "Structured directly from the identified live page section.",
          "observation_id": "observation-ebrpd-sunol-current-conditions",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [
            "Shady Glen Trail Closure",
            "No Open Fires or Barbecues",
            "Overview"
          ],
          "content": "The page states that Shady Glen Trail is currently closed, updated September 20, 2026; prohibits open fires and barbecues of any type; permits gas-fueled stoves only at Alameda Grove and School Camp; and says visitors must bring drinking water because no drinking water is available in the park.",
          "observation_id": "observation-ebrpd-sunol-current-conditions",
          "observed_at": null,
          "observer": "Wayproof live source review",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "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-visitor-access",
        "evidence_ids": [
          "evidence-sunol-visitor-access"
        ],
        "predicate": "visitor_access_profile",
        "spatial_scope_ids": [
          "scope-sunol-wilderness-regional-preserve"
        ],
        "subject_id": "park-sunol-wilderness-regional-preserve",
        "temporal_scope": null,
        "value": {
          "address": "1895 Geary Road, Sunol, CA",
          "parking_fee_weekends_holidays_usd": 5,
          "public_transit": false,
          "seasonal_gate_hours_published": true,
          "visitor_center_public_wifi": true
        }
      },
      "evidence": [
        {
          "claim_id": "claim-sunol-visitor-access",
          "evidence_id": "evidence-sunol-visitor-access",
          "notes": "Structured directly from the identified live page section.",
          "observation_id": "observation-ebrpd-sunol-visitor-access",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [
            "Hours",
            "Fees",
            "Address",
            "Internet & Cellular Access",
            "Public Transit"
          ],
          "content": "The live Sunol park page publishes seasonal park hours, weekend and holiday parking fees, the 1895 Geary Road address, public WiFi at the Visitor Center, and no public transit to the park.",
          "observation_id": "observation-ebrpd-sunol-visitor-access",
          "observed_at": null,
          "observer": "Wayproof live source review",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "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-swimming-wading-prohibited",
        "evidence_ids": [
          "evidence-sunol-swimming-wading-prohibited"
        ],
        "predicate": "water_contact_allowed",
        "spatial_scope_ids": [
          "scope-sunol-wilderness-regional-preserve"
        ],
        "subject_id": "park-sunol-wilderness-regional-preserve",
        "temporal_scope": null,
        "value": false
      },
      "evidence": [
        {
          "claim_id": "claim-sunol-swimming-wading-prohibited",
          "evidence_id": "evidence-sunol-swimming-wading-prohibited",
          "notes": "Structured directly from the identified live page section.",
          "observation_id": "observation-ebrpd-sunol-recreation",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [
            "Attractions",
            "Sunol Backpack Area",
            "Ohlone Wilderness Trail"
          ],
          "content": "The page prohibits swimming or wading in Alameda Creek or elsewhere in Sunol, identifies a reservation-only Sunol Backpack Area, and describes the Ohlone Wilderness Trail as part of Sunol recreation.",
          "observation_id": "observation-ebrpd-sunol-recreation",
          "observed_at": null,
          "observer": "Wayproof live source review",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "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"
      }
    }
  ],
  "entity": {
    "entity_id": "park-sunol-wilderness-regional-preserve",
    "kind": "park",
    "name": "Sunol Wilderness Regional Preserve"
  },
  "gap_details": [
    {
      "claims": [
        {
          "claim": {
            "claim_id": "claim-sunol-fire-policy-20260920",
            "evidence_ids": [
              "evidence-sunol-fire-policy-20260920"
            ],
            "predicate": "fire_policy",
            "spatial_scope_ids": [
              "scope-sunol-wilderness-regional-preserve"
            ],
            "subject_id": "park-sunol-wilderness-regional-preserve",
            "temporal_scope": {
              "ends_on": null,
              "starts_on": "2026-09-20"
            },
            "value": {
              "barbecues": false,
              "gas_stoves_allowed_only_at": [
                "Alameda Grove",
                "School Camp"
              ],
              "open_fires": false
            }
          },
          "evidence": [
            {
              "claim_id": "claim-sunol-fire-policy-20260920",
              "evidence_id": "evidence-sunol-fire-policy-20260920",
              "notes": "Structured directly from the identified live page section.",
              "observation_id": "observation-ebrpd-sunol-current-conditions",
              "stance": "supports"
            }
          ],
          "observations": [
            {
              "artifact_refs": [
                "Shady Glen Trail Closure",
                "No Open Fires or Barbecues",
                "Overview"
              ],
              "content": "The page states that Shady Glen Trail is currently closed, updated September 20, 2026; prohibits open fires and barbecues of any type; permits gas-fueled stoves only at Alameda Grove and School Camp; and says visitors must bring drinking water because no drinking water is available in the park.",
              "observation_id": "observation-ebrpd-sunol-current-conditions",
              "observed_at": null,
              "observer": "Wayproof live source review",
              "retrieved_at": "2026-09-20T00:00:00+00:00",
              "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"
            }
          ]
        },
        {
          "claim": {
            "claim_id": "claim-sunol-shady-glen-trail-closed-20260920",
            "evidence_ids": [
              "evidence-sunol-shady-glen-trail-closed-20260920"
            ],
            "predicate": "trail_closure",
            "spatial_scope_ids": [
              "scope-sunol-wilderness-regional-preserve"
            ],
            "subject_id": "park-sunol-wilderness-regional-preserve",
            "temporal_scope": {
              "ends_on": null,
              "starts_on": "2026-09-20"
            },
            "value": {
              "status": "closed",
              "trail": "Shady Glen Trail",
              "updated_on": "2026-09-20"
            }
          },
          "evidence": [
            {
              "claim_id": "claim-sunol-shady-glen-trail-closed-20260920",
              "evidence_id": "evidence-sunol-shady-glen-trail-closed-20260920",
              "notes": "Structured directly from the identified live page section.",
              "observation_id": "observation-ebrpd-sunol-current-conditions",
              "stance": "supports"
            }
          ],
          "observations": [
            {
              "artifact_refs": [
                "Shady Glen Trail Closure",
                "No Open Fires or Barbecues",
                "Overview"
              ],
              "content": "The page states that Shady Glen Trail is currently closed, updated September 20, 2026; prohibits open fires and barbecues of any type; permits gas-fueled stoves only at Alameda Grove and School Camp; and says visitors must bring drinking water because no drinking water is available in the park.",
              "observation_id": "observation-ebrpd-sunol-current-conditions",
              "observed_at": null,
              "observer": "Wayproof live source review",
              "retrieved_at": "2026-09-20T00:00:00+00:00",
              "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"
            }
          ]
        }
      ],
      "entities": [
        {
          "entity_id": "park-sunol-wilderness-regional-preserve",
          "kind": "park",
          "name": "Sunol Wilderness Regional Preserve"
        }
      ],
      "history": [
        {
          "action": "ADD",
          "change_set_id": "wp-20260920-sunol-ohlone-sources",
          "evidence_refs": [],
          "knowledge_gap_refs": [],
          "path": "canonical/v0/gaps/gap-sunol-current-trail-and-fire-status.json",
          "reason": "Add source-grounded Sunol and Ohlone trail knowledge with explicit provenance and applicability.",
          "record_id": "gap-sunol-current-trail-and-fire-status",
          "record_type": "gap",
          "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."
        }
      ],
      "navigation": {
        "next_id": "gap-taboose-access-geometry",
        "position": 249,
        "previous_id": "gap-rock-creek-route-time-and-difficulty",
        "total": 299
      },
      "observations": [
        {
          "artifact_refs": [
            "Shady Glen Trail Closure",
            "No Open Fires or Barbecues",
            "Overview"
          ],
          "content": "The page states that Shady Glen Trail is currently closed, updated September 20, 2026; prohibits open fires and barbecues of any type; permits gas-fueled stoves only at Alameda Grove and School Camp; and says visitors must bring drinking water because no drinking water is available in the park.",
          "observation_id": "observation-ebrpd-sunol-current-conditions",
          "observed_at": null,
          "observer": "Wayproof live source review",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "source_id": "source-ebrpd-sunol-park-page"
        }
      ],
      "record": {
        "gap_id": "gap-sunol-current-trail-and-fire-status",
        "question": "Are Shady Glen Trail and Sunol fire restrictions unchanged for the planned trip date?",
        "reason": "The park page publishes these as current operational conditions, so they require a live pre-trip recheck.",
        "related_ids": [
          "claim-sunol-shady-glen-trail-closed-20260920",
          "claim-sunol-fire-policy-20260920"
        ]
      },
      "record_type": "gap",
      "related_records": [
        {
          "record": {
            "claim_id": "claim-sunol-shady-glen-trail-closed-20260920",
            "evidence_ids": [
              "evidence-sunol-shady-glen-trail-closed-20260920"
            ],
            "predicate": "trail_closure",
            "spatial_scope_ids": [
              "scope-sunol-wilderness-regional-preserve"
            ],
            "subject_id": "park-sunol-wilderness-regional-preserve",
            "temporal_scope": {
              "ends_on": null,
              "starts_on": "2026-09-20"
            },
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      "summary": "Ingest the official Ohlone preserve page, resolve the obsolete permit ambiguity, and preserve dated water availability."
    },
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    },
    {
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      "change_set_id": "wp-20260920-sunol-ohlone-sources",
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      "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."
    },
    {
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    },
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