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 "diagnostic_note": "Windows <=3 m are at raster-noise scale (1-sigma raster noise alone is roughly +/-7 pp at 2 m and +/-5 pp at 3 m on a 1 m DTM). Diagnostic use only: never a headline or ranking value.",
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  "calculated_at": "2026-08-12T09:12:20+00:00",
  "road_source": "OpenStreetMap",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
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  "osm_timestamps": {
   "41385845": "2020-10-07T09:46:26Z",
   "143502572": "2023-08-16T12:09:54Z"
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  "elevation_provider": "Environment Agency",
  "elevation_dataset": "EA LIDAR Composite DTM 1m (2022)",
  "elevation_licence": "Open Government Licence v3 \u2014 \u00a9 Environment Agency",
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  "climb_origin": "competition",
  "notes": "Matlock. National Hill Climb Championship course (2008, 2016, 2025 \u2014 AHC/6H)."
 },
 "area": {
  "place": "Matlock",
  "county": "Derbyshire"
 },
 "reported_claims": [],
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}