{
  "claims": [
    {
      "claim": {
        "claim_id": "claim-ohlone-overnight-reservation",
        "evidence_ids": [
          "evidence-ohlone-overnight-reservation",
          "evidence-ebrpd-sunol-ohlone-overnight-reservation",
          "evidence-reserveamerica-sunol-ohlone-overnight-reservation"
        ],
        "predicate": "overnight_camping_reservation",
        "spatial_scope_ids": [
          "scope-ohlone-wilderness-trail"
        ],
        "subject_id": "trail-ohlone-wilderness",
        "temporal_scope": null,
        "value": {
          "channel": "phone",
          "designated_sites_only": true,
          "minimum_advance_days": 2,
          "required": true
        }
      },
      "evidence": [
        {
          "claim_id": "claim-ohlone-overnight-reservation",
          "evidence_id": "evidence-ohlone-overnight-reservation",
          "notes": "",
          "observation_id": "observation-ebrpd-ohlone-camping",
          "stance": "supports"
        },
        {
          "claim_id": "claim-ohlone-overnight-reservation",
          "evidence_id": "evidence-ebrpd-sunol-ohlone-overnight-reservation",
          "notes": "The Sunol park page corroborates designated-site reservation and two-business-day advance requirements.",
          "observation_id": "observation-ebrpd-sunol-ohlone-policy",
          "stance": "supports"
        },
        {
          "claim_id": "claim-ohlone-overnight-reservation",
          "evidence_id": "evidence-reserveamerica-sunol-ohlone-overnight-reservation",
          "notes": "The booking overview corroborates the overnight reservation requirement and expresses the lead time as 48 hours.",
          "observation_id": "observation-reserveamerica-sunol-overview",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "Overnight use requires a separate reservation for a designated trail campsite, made by phone at least two days in advance. Reserved overnight parking is allowed at Del Valle, Sunol, and Mission Peak parking lots.",
          "observation_id": "observation-ebrpd-ohlone-camping",
          "observed_at": null,
          "observer": "Wayproof source review",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "source_id": "source-ebrpd-ohlone-park-page"
        },
        {
          "artifact_refs": [
            "Ohlone Wilderness Trail"
          ],
          "content": "The page states that as of January 1, 2026 an Ohlone permit is not required and no additional permits will be sold. Overnight backpacking reservations remain required, and designated Ohlone Trail campsites require advance reservation two or more business days ahead.",
          "observation_id": "observation-ebrpd-sunol-ohlone-policy",
          "observed_at": null,
          "observer": "Wayproof live source review",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "source_id": "source-ebrpd-sunol-park-page"
        },
        {
          "artifact_refs": [
            "Important Information",
            "Description",
            "Recreation",
            "Facilities"
          ],
          "content": "The rendered overview identifies Sunol as an EBRPD campsite facility with limited backpack sites, describes the Ohlone Wilderness Trail as a hiking destination, and requires backpack reservations for overnight stays at least 48 hours in advance.",
          "observation_id": "observation-reserveamerica-sunol-overview",
          "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.ebparks.org/parks/ohlone",
          "publisher": "East Bay Regional Park District",
          "source_id": "source-ebrpd-ohlone-park-page"
        },
        {
          "locator": "https://www.ebparks.org/parks/sunol",
          "publisher": "East Bay Regional Park District",
          "source_id": "source-ebrpd-sunol-park-page"
        },
        {
          "locator": "https://www.reserveamerica.com/explore/sunol/EB/110028/overview",
          "publisher": "ReserveAmerica / East Bay Regional Park District",
          "source_id": "source-reserveamerica-sunol-overview"
        }
      ]
    },
    {
      "claim": {
        "claim_id": "claim-ohlone-trail-permit-not-required-2026",
        "evidence_ids": [
          "evidence-ohlone-trail-permit-not-required-2026",
          "evidence-ebrpd-sunol-ohlone-permit-not-required-2026"
        ],
        "predicate": "trail_permit_required",
        "spatial_scope_ids": [
          "scope-ohlone-wilderness-trail"
        ],
        "subject_id": "trail-ohlone-wilderness",
        "temporal_scope": {
          "ends_on": null,
          "starts_on": "2026-01-01"
        },
        "value": false
      },
      "evidence": [
        {
          "claim_id": "claim-ohlone-trail-permit-not-required-2026",
          "evidence_id": "evidence-ohlone-trail-permit-not-required-2026",
          "notes": "",
          "observation_id": "observation-ebrpd-ohlone-permit-2026",
          "stance": "supports"
        },
        {
          "claim_id": "claim-ohlone-trail-permit-not-required-2026",
          "evidence_id": "evidence-ebrpd-sunol-ohlone-permit-not-required-2026",
          "notes": "The Sunol park page independently corroborates the Ohlone park page's effective-date statement.",
          "observation_id": "observation-ebrpd-sunol-ohlone-policy",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "As of 2026-01-01, an Ohlone trail permit is not required and no additional permits will be sold. An overnight backpacking reservation is still required.",
          "observation_id": "observation-ebrpd-ohlone-permit-2026",
          "observed_at": "2026-01-01T00:00:00+00:00",
          "observer": "Wayproof source review",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "source_id": "source-ebrpd-ohlone-park-page"
        },
        {
          "artifact_refs": [
            "Ohlone Wilderness Trail"
          ],
          "content": "The page states that as of January 1, 2026 an Ohlone permit is not required and no additional permits will be sold. Overnight backpacking reservations remain required, and designated Ohlone Trail campsites require advance reservation two or more business days ahead.",
          "observation_id": "observation-ebrpd-sunol-ohlone-policy",
          "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/ohlone",
          "publisher": "East Bay Regional Park District",
          "source_id": "source-ebrpd-ohlone-park-page"
        },
        {
          "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-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"
        }
      ]
    },
    {
      "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"
        }
      ]
    },
    {
      "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"
        }
      ]
    },
    {
      "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"
        }
      ]
    },
    {
      "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"
        }
      ]
    }
  ],
  "entities": [
    {
      "entity_id": "park-sunol-wilderness-regional-preserve",
      "kind": "park",
      "name": "Sunol Wilderness Regional Preserve"
    },
    {
      "entity_id": "trail-ohlone-wilderness",
      "kind": "trail",
      "name": "Ohlone Wilderness Trail"
    }
  ],
  "history": [
    {
      "action": "ADD",
      "change_set_id": "wp-20260920-sunol-ohlone-sources",
      "evidence_refs": [],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/sources/source-ebrpd-sunol-park-page.json",
      "reason": "Add source-grounded Sunol and Ohlone trail knowledge with explicit provenance and applicability.",
      "record_id": "source-ebrpd-sunol-park-page",
      "record_type": "source",
      "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": "source-ebrpd-swimming",
    "position": 84,
    "previous_id": "source-ebrpd-sunol-camping-map-2015",
    "total": 587
  },
  "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"
    },
    {
      "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"
    },
    {
      "artifact_refs": [
        "Ohlone Wilderness Trail"
      ],
      "content": "The page states that as of January 1, 2026 an Ohlone permit is not required and no additional permits will be sold. Overnight backpacking reservations remain required, and designated Ohlone Trail campsites require advance reservation two or more business days ahead.",
      "observation_id": "observation-ebrpd-sunol-ohlone-policy",
      "observed_at": null,
      "observer": "Wayproof live source review",
      "retrieved_at": "2026-09-20T00:00:00+00:00",
      "source_id": "source-ebrpd-sunol-park-page"
    },
    {
      "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"
    },
    {
      "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"
    }
  ],
  "record": {
    "locator": "https://www.ebparks.org/parks/sunol",
    "publisher": "East Bay Regional Park District",
    "source_id": "source-ebrpd-sunol-park-page"
  },
  "record_type": "source",
  "related_records": [],
  "sources": [
    {
      "locator": "https://www.ebparks.org/parks/sunol",
      "publisher": "East Bay Regional Park District",
      "source_id": "source-ebrpd-sunol-park-page"
    }
  ]
}