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  "calculated_at": "2026-09-05T01:15:41+00:00",
  "road_source": "OpenStreetMap (local PBF extract)",
  "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL",
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  "elevation_provider": "Environment Agency",
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   "on": "2026-09-20",
   "rule": "window texture with the sampling-stability gate (retro suppression-verdicts-stability; Peter 2026-09-20)",
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   "script": "scripts/texture_sweep_apply.py",
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  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing"
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 "area": {
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 }
}