{
  "claims": [
    {
      "claim": {
        "claim_id": "claim-mission-peak-map-route-distances-2026-08",
        "evidence_ids": [
          "evidence-ebrpd-mission-peak-map-route-distances-2026-08"
        ],
        "predicate": "official_map_route_distances",
        "spatial_scope_ids": [
          "scope-mission-peak-stanford-avenue-staging",
          "scope-ohlone-wilderness-trail"
        ],
        "subject_id": "park-mission-peak-regional-preserve",
        "temporal_scope": {
          "ends_on": null,
          "starts_on": "2026-08-01"
        },
        "value": {
          "mission_peak_to_sunol_boundary_miles": 3.59,
          "stanford_staging_to_sunol_visitor_center_miles": 8.66
        }
      },
      "evidence": [
        {
          "claim_id": "claim-mission-peak-map-route-distances-2026-08",
          "evidence_id": "evidence-ebrpd-mission-peak-map-route-distances-2026-08",
          "notes": "The official current map directly labels the Stanford-to-Sunol Visitor Center and park-boundary-to-boundary distances.",
          "observation_id": "observation-ebrpd-mission-peak-map-2026-08",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [
            "PDF page 1",
            "Map revision 2026-8",
            "Legend and mapped facility symbols"
          ],
          "content": "The current standalone Mission Peak map is marked 2026-8. It depicts a restroom at Stanford Avenue Staging Area and distinguishes restroom, drinking-water, horse-water, parking, trail-post, picnic-table, and reservable-camping symbols. It states 8.66 miles from Stanford Avenue Staging Area to Sunol Visitor Center and 3.59 miles between the Mission Peak Regional Preserve and Sunol Regional Wilderness boundaries. It also maps trail-use classes, individual segment mileages, emergency trail-post numbers, the Eagle Spring Backpack Camp, and prohibited access from Mill Creek Road.",
          "observation_id": "observation-ebrpd-mission-peak-map-2026-08",
          "observed_at": null,
          "observer": "Wayproof PDF visual review",
          "retrieved_at": "2026-09-20T00:00:00-07:00",
          "source_id": "source-ebrpd-mission-peak-map-2026-08"
        }
      ],
      "sources": [
        {
          "locator": "https://www.ebparks.org/sites/default/files/maps/mission-peak-map.pdf",
          "publisher": "East Bay Regional Park District",
          "source_id": "source-ebrpd-mission-peak-map-2026-08"
        }
      ]
    },
    {
      "claim": {
        "claim_id": "claim-mission-peak-stanford-restroom-official-map-2026-08",
        "evidence_ids": [
          "evidence-ebrpd-mission-peak-map-stanford-restroom-2026-08"
        ],
        "predicate": "official_map_facility_presence",
        "spatial_scope_ids": [
          "scope-mission-peak-stanford-avenue-staging",
          "scope-mission-peak-stanford-restroom"
        ],
        "subject_id": "restroom-mission-peak-stanford-avenue",
        "temporal_scope": {
          "ends_on": null,
          "starts_on": "2026-08-01"
        },
        "value": {
          "facility_type": "restroom",
          "map_revision": "2026-08",
          "mapped_present": true,
          "toilet_fixture_type_specified": false
        }
      },
      "evidence": [
        {
          "claim_id": "claim-mission-peak-stanford-restroom-official-map-2026-08",
          "evidence_id": "evidence-ebrpd-mission-peak-map-stanford-restroom-2026-08",
          "notes": "The official current park map depicts a restroom symbol at Stanford Avenue Staging Area, independently corroborating the Google Maps place record without asserting an interior fixture type.",
          "observation_id": "observation-ebrpd-mission-peak-map-2026-08",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [
            "PDF page 1",
            "Map revision 2026-8",
            "Legend and mapped facility symbols"
          ],
          "content": "The current standalone Mission Peak map is marked 2026-8. It depicts a restroom at Stanford Avenue Staging Area and distinguishes restroom, drinking-water, horse-water, parking, trail-post, picnic-table, and reservable-camping symbols. It states 8.66 miles from Stanford Avenue Staging Area to Sunol Visitor Center and 3.59 miles between the Mission Peak Regional Preserve and Sunol Regional Wilderness boundaries. It also maps trail-use classes, individual segment mileages, emergency trail-post numbers, the Eagle Spring Backpack Camp, and prohibited access from Mill Creek Road.",
          "observation_id": "observation-ebrpd-mission-peak-map-2026-08",
          "observed_at": null,
          "observer": "Wayproof PDF visual review",
          "retrieved_at": "2026-09-20T00:00:00-07:00",
          "source_id": "source-ebrpd-mission-peak-map-2026-08"
        }
      ],
      "sources": [
        {
          "locator": "https://www.ebparks.org/sites/default/files/maps/mission-peak-map.pdf",
          "publisher": "East Bay Regional Park District",
          "source_id": "source-ebrpd-mission-peak-map-2026-08"
        }
      ]
    }
  ],
  "entities": [
    {
      "entity_id": "park-mission-peak-regional-preserve",
      "kind": "park",
      "name": "Mission Peak Regional Preserve"
    },
    {
      "entity_id": "restroom-mission-peak-stanford-avenue",
      "kind": "restroom",
      "name": "Stanford Avenue Staging Area Restroom"
    }
  ],
  "history": [
    {
      "action": "ADD",
      "change_set_id": "wp-20260920-mission-peak-access-parking",
      "evidence_refs": [],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/sources/source-ebrpd-mission-peak-map-2026-08.json",
      "reason": "Ingest the current August 2026 official Mission Peak map with explicit revision provenance.",
      "record_id": "source-ebrpd-mission-peak-map-2026-08",
      "record_type": "source",
      "summary": "Add official Mission Peak access and parking sources, Ohlone College visitor permit policy, linked access-point references, the Stanford Avenue restroom pin, and the current August 2026 official Mission Peak map with route distances and restroom corroboration."
    }
  ],
  "navigation": {
    "next_id": "source-ebrpd-mission-peak-ohlone-parking-map",
    "position": 62,
    "previous_id": "source-ebrpd-mission-peak-map",
    "total": 587
  },
  "observations": [
    {
      "artifact_refs": [
        "PDF page 1",
        "Map revision 2026-8",
        "Legend and mapped facility symbols"
      ],
      "content": "The current standalone Mission Peak map is marked 2026-8. It depicts a restroom at Stanford Avenue Staging Area and distinguishes restroom, drinking-water, horse-water, parking, trail-post, picnic-table, and reservable-camping symbols. It states 8.66 miles from Stanford Avenue Staging Area to Sunol Visitor Center and 3.59 miles between the Mission Peak Regional Preserve and Sunol Regional Wilderness boundaries. It also maps trail-use classes, individual segment mileages, emergency trail-post numbers, the Eagle Spring Backpack Camp, and prohibited access from Mill Creek Road.",
      "observation_id": "observation-ebrpd-mission-peak-map-2026-08",
      "observed_at": null,
      "observer": "Wayproof PDF visual review",
      "retrieved_at": "2026-09-20T00:00:00-07:00",
      "source_id": "source-ebrpd-mission-peak-map-2026-08"
    }
  ],
  "record": {
    "locator": "https://www.ebparks.org/sites/default/files/maps/mission-peak-map.pdf",
    "publisher": "East Bay Regional Park District",
    "source_id": "source-ebrpd-mission-peak-map-2026-08"
  },
  "record_type": "source",
  "related_records": [],
  "sources": [
    {
      "locator": "https://www.ebparks.org/sites/default/files/maps/mission-peak-map.pdf",
      "publisher": "East Bay Regional Park District",
      "source_id": "source-ebrpd-mission-peak-map-2026-08"
    }
  ]
}