{
  "answerability": "evidence_backed_claims_available",
  "claims": [
    {
      "claim": {
        "claim_id": "claim-mcgurk-meadow-ordered-geometry-20260926",
        "evidence_ids": [
          "evidence-mcgurk-meadow-ordered-geometry-20260926"
        ],
        "predicate": "ordered_route_geometry",
        "spatial_scope_ids": [
          "scope-glacier-point-road-corridor"
        ],
        "subject_id": "route-mcgurk-meadow",
        "temporal_scope": null,
        "value": {
          "distance_status": "published_at_route_level_only",
          "route_shape": "out_and_back_objective_corridor",
          "segment_ids": [
            "route-segment-yosemite-glacier-point-nps-17070"
          ],
          "start_node_id": "trailhead-mcgurk-meadow"
        }
      },
      "evidence": [
        {
          "claim_id": "claim-mcgurk-meadow-ordered-geometry-20260926",
          "evidence_id": "evidence-mcgurk-meadow-ordered-geometry-20260926",
          "notes": "",
          "observation_id": "observation-nps-glacier-point-map-route-review-20260926",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "The official Glacier Point Road trail map and route descriptions establish the three route starts, objectives, shared Sentinel/Taft fork, and named trail identities used in this reviewed graph.",
          "observation_id": "observation-nps-glacier-point-map-route-review-20260926",
          "observed_at": null,
          "observer": "",
          "retrieved_at": "2026-09-26T00:00:00+00:00",
          "source_id": "source-nps-yosemite-glacier-point-hikes"
        }
      ],
      "sources": [
        {
          "locator": "https://www.nps.gov/yose/planyourvisit/glacierhikes.htm",
          "publisher": "National Park Service",
          "source_id": "source-nps-yosemite-glacier-point-hikes"
        }
      ],
      "subject": {
        "entity_id": "route-mcgurk-meadow",
        "kind": "route",
        "name": "McGurk Meadow"
      }
    },
    {
      "claim": {
        "claim_id": "claim-mcgurk-meadow-published-profile",
        "evidence_ids": [
          "evidence-mcgurk-meadow-published-profile"
        ],
        "predicate": "published_route_profile",
        "spatial_scope_ids": [
          "scope-glacier-point-road-corridor"
        ],
        "subject_id": "route-mcgurk-meadow",
        "temporal_scope": null,
        "value": {
          "elevation_gain_ft_on_return": 150,
          "objective_entity_ids": [
            "place-mcgurk-meadow"
          ],
          "operational_status_requires_current_check": true,
          "published_start_entity_id": "trailhead-mcgurk-meadow",
          "published_time": "1 to 1.5 hours",
          "round_trip_miles": 1.6
        }
      },
      "evidence": [
        {
          "claim_id": "claim-mcgurk-meadow-published-profile",
          "evidence_id": "evidence-mcgurk-meadow-published-profile",
          "notes": "",
          "observation_id": "observation-nps-yosemite-glacier-point-hikes-20260925",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "NPS publishes Glacier Point Road day-hike starts, distances, times, elevation gains, seasonal access, limited water, and absence of dependable return transit.",
          "observation_id": "observation-nps-yosemite-glacier-point-hikes-20260925",
          "observed_at": null,
          "observer": "",
          "retrieved_at": "2026-09-25T00:00:00+00:00",
          "source_id": "source-nps-yosemite-glacier-point-hikes"
        }
      ],
      "sources": [
        {
          "locator": "https://www.nps.gov/yose/planyourvisit/glacierhikes.htm",
          "publisher": "National Park Service",
          "source_id": "source-nps-yosemite-glacier-point-hikes"
        }
      ],
      "subject": {
        "entity_id": "route-mcgurk-meadow",
        "kind": "route",
        "name": "McGurk Meadow"
      }
    }
  ],
  "entity": {
    "entity_id": "route-mcgurk-meadow",
    "kind": "route",
    "name": "McGurk Meadow"
  },
  "gap_details": [
    {
      "claims": [],
      "entities": [
        {
          "entity_id": "route-dewey-point",
          "kind": "route",
          "name": "Dewey Point"
        },
        {
          "entity_id": "route-glacier-point-overlook",
          "kind": "route",
          "name": "Glacier Point Overlook Walk"
        },
        {
          "entity_id": "route-mcgurk-meadow",
          "kind": "route",
          "name": "McGurk Meadow"
        },
        {
          "entity_id": "route-mono-meadow",
          "kind": "route",
          "name": "Mono Meadow"
        },
        {
          "entity_id": "route-ostrander-lake",
          "kind": "route",
          "name": "Ostrander Lake"
        },
        {
          "entity_id": "route-panorama-trail",
          "kind": "route",
          "name": "Panorama Trail"
        },
        {
          "entity_id": "route-pohono-glacier-point-to-tunnel-view",
          "kind": "route",
          "name": "Pohono Trail: Glacier Point to Tunnel View"
        },
        {
          "entity_id": "route-sentinel-dome",
          "kind": "route",
          "name": "Sentinel Dome"
        },
        {
          "entity_id": "route-sentinel-dome-taft-point-loop",
          "kind": "route",
          "name": "Sentinel Dome and Taft Point Loop"
        },
        {
          "entity_id": "route-taft-point",
          "kind": "route",
          "name": "Taft Point"
        }
      ],
      "history": [
        {
          "action": "ADD",
          "change_set_id": "wp-20260925-yosemite-glacier-point-depth",
          "evidence_refs": [],
          "knowledge_gap_refs": [],
          "path": "canonical/v0/gaps/gap-yosemite-glacier-point-route-topology.json",
          "reason": "Add reviewed Glacier Point Road planning depth.",
          "record_id": "gap-yosemite-glacier-point-route-topology",
          "record_type": "gap",
          "summary": "Add official-source Glacier Point Road routes, access, facilities, vehicle constraints, dated closure evidence, reviewed map points, and explicit gaps."
        },
        {
          "action": "REPLACE",
          "change_set_id": "wp-20260926-yosemite-glacier-point-route-graph",
          "evidence_refs": [],
          "knowledge_gap_refs": [],
          "path": "canonical/v0/gaps/gap-yosemite-glacier-point-route-topology.json",
          "reason": "Add reviewed Glacier Point Road route topology from the official NPS map and trail service.",
          "record_id": "gap-yosemite-glacier-point-route-topology",
          "record_type": "gap",
          "summary": "Publish three reviewed Glacier Point Road route graphs and narrow the remaining topology gap."
        }
      ],
      "navigation": {
        "next_id": "gap-yosemite-glacier-point-trip-date-operations",
        "position": 276,
        "previous_id": "gap-yosemite-current-conditions",
        "total": 299
      },
      "observations": [],
      "record": {
        "gap_id": "gap-yosemite-glacier-point-route-topology",
        "question": "Which reviewed NPS features and explicit connectors complete the remaining Glacier Point Road routes, loops, junctions, and turnarounds?",
        "reason": "Sentinel Dome, Taft Point, and McGurk Meadow now have exact-endpoint route graphs. The combined loop, overlook, Mono Meadow, Dewey Point, Ostrander Lake, Panorama, and full Pohono connectors remain unresolved; nearby or unnamed lines are not joined without route-specific review.",
        "related_ids": [
          "route-glacier-point-overlook",
          "route-mcgurk-meadow",
          "route-sentinel-dome",
          "route-taft-point",
          "route-sentinel-dome-taft-point-loop",
          "route-mono-meadow",
          "route-dewey-point",
          "route-ostrander-lake",
          "route-panorama-trail",
          "route-pohono-glacier-point-to-tunnel-view",
          "source-nps-public-trails-feature-service"
        ]
      },
      "record_type": "gap",
      "related_records": [
        {
          "record": {
            "entity_id": "route-glacier-point-overlook",
            "kind": "route",
            "name": "Glacier Point Overlook Walk"
          },
          "record_id": "route-glacier-point-overlook",
          "record_type": "entity"
        },
        {
          "record": {
            "entity_id": "route-mcgurk-meadow",
            "kind": "route",
            "name": "McGurk Meadow"
          },
          "record_id": "route-mcgurk-meadow",
          "record_type": "entity"
        },
        {
          "record": {
            "entity_id": "route-sentinel-dome",
            "kind": "route",
            "name": "Sentinel Dome"
          },
          "record_id": "route-sentinel-dome",
          "record_type": "entity"
        },
        {
          "record": {
            "entity_id": "route-taft-point",
            "kind": "route",
            "name": "Taft Point"
          },
          "record_id": "route-taft-point",
          "record_type": "entity"
        },
        {
          "record": {
            "entity_id": "route-sentinel-dome-taft-point-loop",
            "kind": "route",
            "name": "Sentinel Dome and Taft Point Loop"
          },
          "record_id": "route-sentinel-dome-taft-point-loop",
          "record_type": "entity"
        },
        {
          "record": {
            "entity_id": "route-mono-meadow",
            "kind": "route",
            "name": "Mono Meadow"
          },
          "record_id": "route-mono-meadow",
          "record_type": "entity"
        },
        {
          "record": {
            "entity_id": "route-dewey-point",
            "kind": "route",
            "name": "Dewey Point"
          },
          "record_id": "route-dewey-point",
          "record_type": "entity"
        },
        {
          "record": {
            "entity_id": "route-ostrander-lake",
            "kind": "route",
            "name": "Ostrander Lake"
          },
          "record_id": "route-ostrander-lake",
          "record_type": "entity"
        },
        {
          "record": {
            "entity_id": "route-panorama-trail",
            "kind": "route",
            "name": "Panorama Trail"
          },
          "record_id": "route-panorama-trail",
          "record_type": "entity"
        },
        {
          "record": {
            "entity_id": "route-pohono-glacier-point-to-tunnel-view",
            "kind": "route",
            "name": "Pohono Trail: Glacier Point to Tunnel View"
          },
          "record_id": "route-pohono-glacier-point-to-tunnel-view",
          "record_type": "entity"
        },
        {
          "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": []
    }
  ],
  "history": [
    {
      "action": "ADD",
      "change_set_id": "wp-20260925-yosemite-glacier-point-depth",
      "evidence_refs": [],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/entities/route-mcgurk-meadow.json",
      "reason": "Add reviewed Glacier Point Road planning depth.",
      "record_id": "route-mcgurk-meadow",
      "record_type": "entity",
      "summary": "Add official-source Glacier Point Road routes, access, facilities, vehicle constraints, dated closure evidence, reviewed map points, and explicit gaps."
    },
    {
      "action": "ADD",
      "change_set_id": "wp-20260926-yosemite-glacier-point-route-graph",
      "evidence_refs": [
        "evidence-mcgurk-meadow-ordered-geometry-20260926"
      ],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/claims/claim-mcgurk-meadow-ordered-geometry-20260926.json",
      "reason": "Add reviewed Glacier Point Road route topology from the official NPS map and trail service.",
      "record_id": "claim-mcgurk-meadow-ordered-geometry-20260926",
      "record_type": "claim",
      "summary": "Publish three reviewed Glacier Point Road route graphs and narrow the remaining topology gap."
    },
    {
      "action": "ADD",
      "change_set_id": "wp-20260925-yosemite-glacier-point-depth",
      "evidence_refs": [
        "evidence-mcgurk-meadow-published-profile"
      ],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/claims/claim-mcgurk-meadow-published-profile.json",
      "reason": "Add reviewed Glacier Point Road planning depth.",
      "record_id": "claim-mcgurk-meadow-published-profile",
      "record_type": "claim",
      "summary": "Add official-source Glacier Point Road routes, access, facilities, vehicle constraints, dated closure evidence, reviewed map points, and explicit gaps."
    }
  ],
  "journey": [],
  "knowledge_gaps": [
    {
      "gap_id": "gap-yosemite-glacier-point-route-topology",
      "question": "Which reviewed NPS features and explicit connectors complete the remaining Glacier Point Road routes, loops, junctions, and turnarounds?",
      "reason": "Sentinel Dome, Taft Point, and McGurk Meadow now have exact-endpoint route graphs. The combined loop, overlook, Mono Meadow, Dewey Point, Ostrander Lake, Panorama, and full Pohono connectors remain unresolved; nearby or unnamed lines are not joined without route-specific review.",
      "related_ids": [
        "route-glacier-point-overlook",
        "route-mcgurk-meadow",
        "route-sentinel-dome",
        "route-taft-point",
        "route-sentinel-dome-taft-point-loop",
        "route-mono-meadow",
        "route-dewey-point",
        "route-ostrander-lake",
        "route-panorama-trail",
        "route-pohono-glacier-point-to-tunnel-view",
        "source-nps-public-trails-feature-service"
      ]
    }
  ],
  "reference_evidence": [],
  "relationships": [
    {
      "evidence_ids": [
        "evidence-mcgurk-meadow-published-profile"
      ],
      "object_id": "route-mcgurk-meadow",
      "predicate": "accesses",
      "relationship_id": "relationship-trailhead-mcgurk-meadow-accesses-mcgurk-meadow",
      "subject_id": "trailhead-mcgurk-meadow",
      "temporal_scope": null
    },
    {
      "evidence_ids": [
        "evidence-yosemite-glacier-point-nps-segment-17070"
      ],
      "object_id": "route-mcgurk-meadow",
      "predicate": "part_of",
      "relationship_id": "relationship-yosemite-glacier-point-nps-17070-part-of-mcgurk-meadow",
      "subject_id": "route-segment-yosemite-glacier-point-nps-17070",
      "temporal_scope": null
    },
    {
      "evidence_ids": [
        "evidence-mcgurk-meadow-published-profile"
      ],
      "object_id": "place-mcgurk-meadow",
      "predicate": "reaches",
      "relationship_id": "relationship-mcgurk-meadow-reaches-1-place-mcgurk-meadow",
      "subject_id": "route-mcgurk-meadow",
      "temporal_scope": null
    },
    {
      "evidence_ids": [
        "evidence-mcgurk-meadow-published-profile"
      ],
      "object_id": "trailhead-mcgurk-meadow",
      "predicate": "starts_at",
      "relationship_id": "relationship-mcgurk-meadow-starts-at",
      "subject_id": "route-mcgurk-meadow",
      "temporal_scope": null
    },
    {
      "evidence_ids": [
        "evidence-mcgurk-meadow-published-profile"
      ],
      "object_id": "park-yosemite-national-park",
      "predicate": "traverses",
      "relationship_id": "relationship-mcgurk-meadow-traverses-yosemite",
      "subject_id": "route-mcgurk-meadow",
      "temporal_scope": null
    }
  ],
  "route_geometry": {
    "features": [
      {
        "geometry": {
          "coordinates": [
            [
              -119.62812123187614,
              37.670446558723455
            ],
            [
              -119.62808794488436,
              37.67056723373716
            ],
            [
              -119.62804074288395,
              37.670631820746586
            ],
            [
              -119.62799412588426,
              37.670701246756394
            ],
            [
              -119.62794120588154,
              37.67075371976508
            ],
            [
              -119.62789701187889,
              37.67079409077204
            ],
            [
              -119.6278299498739,
              37.670846546781746
            ],
            [
              -119.62775296986746,
              37.67090068479232
            ],
            [
              -119.62768760086192,
              37.6709462948013
            ],
            [
              -119.62762670585973,
              37.67101463281207
            ],
            [
              -119.62757529586015,
              37.671092097823006
            ],
            [
              -119.62754751986365,
              37.671163409831664
            ],
            [
              -119.6274854368603,
              37.6712232668417
            ],
            [
              -119.6273577328459,
              37.671280248856164
            ],
            [
              -119.62714369282118,
              37.67137045787994
            ],
            [
              -119.62701508381028,
              37.671459784897515
            ],
            [
              -119.62697304881188,
              37.67153409890744
            ],
            [
              -119.62695417281545,
              37.67159303591432
            ],
            [
              -119.62692754081542,
              37.67163128791984
            ],
            [
              -119.62687513781307,
              37.67168587292869
            ],
            [
              -119.62683817781306,
              37.671738952936295
            ],
            [
              -119.62680253582944,
              37.671935213957276
            ],
            [
              -119.62679609185156,
              37.67214015897696
            ],
            [
              -119.6268052258659,
              37.67225377098689
            ],
            [
              -119.62682896388098,
              37.67235250499446
            ],
            [
              -119.626826729898,
              37.67250633200906
            ],
            [
              -119.62680941591235,
              37.67265806802454
            ],
            [
              -119.62677985691593,
              37.67273220103361
            ],
            [
              -119.62676430292001,
              37.67279082504018
            ],
            [
              -119.62672909991696,
              37.67281447204494
            ],
            [
              -119.62667756591166,
              37.672842138051216
            ],
            [
              -119.62659357190022,
              37.67286235605908
            ],
            [
              -119.62652272789421,
              37.67291122706872
            ],
            [
              -119.62645953389044,
              37.672969036078655
            ],
            [
              -119.62640894588763,
              37.673017156086814
            ],
            [
              -119.62636626188517,
              37.673056583093555
            ],
            [
              -119.62635792189035,
              37.6731146100996
            ],
            [
              -119.62632868189486,
              37.6731968861094
            ],
            [
              -119.62626157389447,
              37.67328995912289
            ],
            [
              -119.62619466489048,
              37.67335125213347
            ],
            [
              -119.62609383688333,
              37.673433525148376
            ],
            [
              -119.62600904387871,
              37.67351490016204
            ],
            [
              -119.62595802187779,
              37.67358028317185
            ],
            [
              -119.62588315087226,
              37.67363969518276
            ],
            [
              -119.62578279286663,
              37.67373459019885
            ],
            [
              -119.62568367385948,
              37.673814154213375
            ],
            [
              -119.62553504584771,
              37.67392407823432
            ],
            [
              -119.62545760284209,
              37.67398622024567
            ],
            [
              -119.62537219683556,
              37.67405190225794
            ],
            [
              -119.62532650783639,
              37.67412512526803
            ],
            [
              -119.62527910183914,
              37.67421759828007
            ],
            [
              -119.62520971083622,
              37.67429165629204
            ],
            [
              -119.6251216868315,
              37.67437733030634
            ],
            [
              -119.6250185618298,
              37.67451035432619
            ],
            [
              -119.62493824482658,
              37.674598259340144
            ],
            [
              -119.6248806538224,
              37.67464396234855
            ],
            [
              -119.62482979282208,
              37.67471477935882
            ],
            [
              -119.62470436581046,
              37.67479296737516
            ],
            [
              -119.62461459780015,
              37.674831365385124
            ],
            [
              -119.62455600079963,
              37.674911017396795
            ],
            [
              -119.62449131079745,
              37.67498532140841
            ],
            [
              -119.62446532880129,
              37.6750562724169
            ],
            [
              -119.62445545981548,
              37.6751960204307
            ],
            [
              -119.62443513682058,
              37.675270297439106
            ],
            [
              -119.62442422983442,
              37.67540865645286
            ],
            [
              -119.62438031283564,
              37.67548251446294
            ],
            [
              -119.6243589088453,
              37.67559882047537
            ],
            [
              -119.6243285548505,
              37.675688532485964
            ],
            [
              -119.62431698685778,
              37.67576966849435
            ],
            [
              -119.62433111286826,
              37.67584206750016
            ],
            [
              -119.62436599788546,
              37.67594330550718
            ],
            [
              -119.62433450989126,
              37.676040397518506
            ],
            [
              -119.62430086089752,
              37.676144165530665
            ],
            [
              -119.6242894209057,
              37.676232480539724
            ],
            [
              -119.62424469290846,
              37.676321304551244
            ],
            [
              -119.62417996090554,
              37.67638884156221
            ],
            [
              -119.62411269290087,
              37.676444520572254
            ],
            [
              -119.6240603958994,
              37.67650729758186
            ],
            [
              -119.6240195829041,
              37.6766075775942
            ],
            [
              -119.62398124990881,
              37.67670437060603
            ],
            [
              -119.6239130199141,
              37.67684938262446
            ],
            [
              -119.62385513191505,
              37.67694107863722
            ],
            [
              -119.62377042591218,
              37.67703799865235
            ],
            [
              -119.62374608791474,
              37.67709592065951
            ],
            [
              -119.62372687092079,
              37.67717671366845
            ],
            [
              -119.62369026292585,
              37.67727438168024
            ],
            [
              -119.62365615893079,
              37.67736715069138
            ],
            [
              -119.62359834393317,
              37.677471674705295
            ],
            [
              -119.62353674593294,
              37.67755829971781
            ],
            [
              -119.62351156293882,
              37.6776466107279
            ],
            [
              -119.6234770269487,
              37.67778369274321
            ],
            [
              -119.62346689795537,
              37.67785712575083
            ],
            [
              -119.62349369396658,
              37.677917699754616
            ],
            [
              -119.62351737197656,
              37.67797115575792
            ],
            [
              -119.62354796698735,
              37.67802251876056
            ],
            [
              -119.62357046999686,
              37.67807442176381
            ],
            [
              -119.62357475200496,
              37.67813963176961
            ],
            [
              -119.62354968400857,
              37.67820767077776
            ],
            [
              -119.6234984470071,
              37.67826839278712
            ],
            [
              -119.62343336800816,
              37.6783720328015
            ],
            [
              -119.62337545600826,
              37.67845600281351
            ],
            [
              -119.62330221500561,
              37.67853839482643
            ],
            [
              -119.62323656200323,
              37.67861224783806
            ],
            [
              -119.62309487900428,
              37.67882551586822
            ],
            [
              -119.62304895300966,
              37.6789388528821
            ],
            [
              -119.62296665700843,
              37.67904698889815
            ],
            [
              -119.62296983101545,
              37.67910435590326
            ],
            [
              -119.6229876430266,
              37.679177478908834
            ],
            [
              -119.62301282803465,
              37.67921196491026
            ]
          ],
          "type": "LineString"
        },
        "properties": {
          "distance_miles": null,
          "distance_status": "not_published_at_segment_level",
          "end_node_id": "place-mcgurk-meadow",
          "route_id": "route-mcgurk-meadow",
          "route_role": "official_mainline",
          "segment_id": "route-segment-yosemite-glacier-point-nps-17070",
          "sequence": 1,
          "source_feature_id": "nps-trail-17070",
          "source_geometry_accuracy": null,
          "start_node_id": "trailhead-mcgurk-meadow"
        },
        "type": "Feature"
      }
    ],
    "type": "FeatureCollection",
    "wayproof": {
      "distance_complete": false,
      "distance_miles": 0.0,
      "entry_id": "trailhead-mcgurk-meadow",
      "exit_id": "place-mcgurk-meadow",
      "geometry_status": "reviewed_source_snapshot",
      "navigation_grade": false,
      "route_id": "route-mcgurk-meadow",
      "route_shape": "out_and_back_objective_corridor"
    }
  },
  "route_geometry_url": "/geometry/routes/route-mcgurk-meadow.geojson",
  "type": "canonical_entity"
}
