{
  "claims": [],
  "entities": [
    {
      "entity_id": "route-twin-bridges-tuolumne",
      "kind": "route",
      "name": "Twin Bridges"
    }
  ],
  "history": [
    {
      "action": "ADD",
      "change_set_id": "wp-20260925-tuolumne-meadows-depth",
      "evidence_refs": [],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/gaps/gap-tuolumne-route-segment-topology.json",
      "reason": "Add reviewed Tuolumne Meadows planning depth.",
      "record_id": "gap-tuolumne-route-segment-topology",
      "record_type": "gap",
      "summary": "Add NPS-sourced Tuolumne Meadows day-hike, access, facility, objective, operational, and reviewed map-point depth."
    },
    {
      "action": "REPLACE",
      "change_set_id": "wp-20260925-tuolumne-route-depth",
      "evidence_refs": [],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/gaps/gap-tuolumne-route-segment-topology.json",
      "reason": "Narrow the earlier blanket topology gap after nine route graphs were reviewed.",
      "record_id": "gap-tuolumne-route-segment-topology",
      "record_type": "gap",
      "summary": "Publish reviewed NPS segment topology and display geometry for nine Tuolumne Meadows day hikes, including shared corridors and map-printed legs, while narrowing the unresolved gap to Twin Bridges."
    }
  ],
  "navigation": {
    "next_id": "gap-tuolumne-trip-date-operations",
    "position": 267,
    "previous_id": "gap-tuolumne-parking-capacity",
    "total": 299
  },
  "observations": [],
  "record": {
    "gap_id": "gap-tuolumne-route-segment-topology",
    "question": "Which official line geometry connects Dog Lake parking to Twin Bridges along the published Tuolumne day hike?",
    "reason": "The NPS day-hike page and official map support the Twin Bridges destination and approximately three-mile round trip, but the reviewed public trail features do not expose a direct matching line from Dog Lake parking. The route remains coarse rather than inferring a connector from proximity.",
    "related_ids": [
      "route-twin-bridges-tuolumne",
      "source-nps-yosemite-tuolumne-trails-map-2024",
      "source-nps-public-trails-feature-service"
    ]
  },
  "record_type": "gap",
  "related_records": [
    {
      "record": {
        "entity_id": "route-twin-bridges-tuolumne",
        "kind": "route",
        "name": "Twin Bridges"
      },
      "record_id": "route-twin-bridges-tuolumne",
      "record_type": "entity"
    },
    {
      "record": {
        "locator": "https://www.nps.gov/yose/planyourvisit/images/TrailMaps_TM_2024_V1.jpg?maxwidth=4200&autorotate=false",
        "publisher": "National Park Service",
        "source_id": "source-nps-yosemite-tuolumne-trails-map-2024"
      },
      "record_id": "source-nps-yosemite-tuolumne-trails-map-2024",
      "record_type": "source"
    },
    {
      "record": {
        "locator": "https://mapservices.nps.gov/arcgis/rest/services/NationalDatasets/NPS_Public_Trails/FeatureServer/0",
        "publisher": "National Park Service",
        "source_id": "source-nps-public-trails-feature-service"
      },
      "record_id": "source-nps-public-trails-feature-service",
      "record_type": "source"
    }
  ],
  "sources": []
}