{
  "claims": [
    {
      "claim": {
        "claim_id": "claim-peak-mount-dade-summit-approach-profile",
        "evidence_ids": [
          "evidence-peak-mount-dade-summit-approach-profile"
        ],
        "predicate": "summit_approach_profile",
        "spatial_scope_ids": [],
        "subject_id": "peak-mount-dade",
        "temporal_scope": null,
        "value": {
          "condition_dependencies": [
            "snow or ice may persist",
            "couloir conditions"
          ],
          "current_conditions_required": true,
          "difficulty": "class 2 on the described standard line",
          "maintained_approach": "Little Lakes Valley trail",
          "navigation_grade": false,
          "off_trail_continuation": "south slope or Hourglass Couloir",
          "primary_trailhead": "Mosquito Flat",
          "source_tier": "third_party_reference_only"
        }
      },
      "evidence": [
        {
          "claim_id": "claim-peak-mount-dade-summit-approach-profile",
          "evidence_id": "evidence-peak-mount-dade-summit-approach-profile",
          "notes": "",
          "observation_id": "observation-summitpost-mount-dade-20260924",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "The community route reference describes a Mosquito Flat and Little Lakes Valley approach to a south-slope or Hourglass Couloir continuation, commonly class 2, with snow or ice possible in the couloir.",
          "observation_id": "observation-summitpost-mount-dade-20260924",
          "observed_at": null,
          "observer": "",
          "retrieved_at": "2026-09-24T02:00:00+00:00",
          "source_id": "source-summitpost-mount-dade"
        }
      ],
      "sources": [
        {
          "locator": "https://www.summitpost.org/mount-dade/150604",
          "publisher": "SummitPost community reference",
          "source_id": "source-summitpost-mount-dade"
        }
      ]
    }
  ],
  "entities": [
    {
      "entity_id": "peak-mount-dade",
      "kind": "peak",
      "name": "Mount Dade"
    }
  ],
  "history": [
    {
      "action": "ADD",
      "change_set_id": "wp-20260924-rock-creek-route-and-summit-depth",
      "evidence_refs": [],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/sources/source-summitpost-mount-dade.json",
      "reason": "Add source-backed Upper Rock Creek topology, measured Little Lakes spurs, and planning-grade summit approaches.",
      "record_id": "source-summitpost-mount-dade",
      "record_type": "source",
      "summary": "Add the nine-segment Upper Rock Creek Canyon graph, source-measured Chickenfoot and Gem spurs without inferred mainline cuts, and qualified summit approach profiles for five nearby peaks."
    }
  ],
  "navigation": {
    "next_id": "source-summitpost-mount-morgan-south",
    "position": 497,
    "previous_id": "source-summitpost-mount-abbot-northeast-couloir",
    "total": 587
  },
  "observations": [
    {
      "artifact_refs": [],
      "content": "The community route reference describes a Mosquito Flat and Little Lakes Valley approach to a south-slope or Hourglass Couloir continuation, commonly class 2, with snow or ice possible in the couloir.",
      "observation_id": "observation-summitpost-mount-dade-20260924",
      "observed_at": null,
      "observer": "",
      "retrieved_at": "2026-09-24T02:00:00+00:00",
      "source_id": "source-summitpost-mount-dade"
    }
  ],
  "record": {
    "locator": "https://www.summitpost.org/mount-dade/150604",
    "publisher": "SummitPost community reference",
    "source_id": "source-summitpost-mount-dade"
  },
  "record_type": "source",
  "related_records": [],
  "sources": [
    {
      "locator": "https://www.summitpost.org/mount-dade/150604",
      "publisher": "SummitPost community reference",
      "source_id": "source-summitpost-mount-dade"
    }
  ]
}