{
  "capture_date": "2026-10-18",
  "state": "existing",
  "measured_dimensions": null,
  "unknown_metric": null,
  "metric_scale_verified": false,
  "survey_aligned": false,
  "complete_object": false,
  "normalization": {
    "overall_width_x": "nominal1; swing canopy measured mesh span0.9874 normalized units",
    "front": "negative Y",
    "vertical": "Z up",
    "origin": "bottom center",
    "unit": "arbitrary normalized, not meters"
  },
  "geometry_status": "clean editable observed approximation; incomplete hidden surfaces",
  "not_placed_on_plan": true,
  "source_video_date": "2026-10-18",
  "object_id": "v26-024",
  "observed_name": "Коричневое профилированное покрытие у столба на низком основании; назначение неизвестно",
  "historical_catalog_name": "Коричневая скамья у столба",
  "catalog_discrepancy": "Visible outer surface is a profiled sheet, not confirmed wooden bench slats. The separate strongly bent sheet near swing and separate ornate side pieces in836s are NOT this pole object and are NOT merged.",
  "parts_observed": [
    "one shallow brown profiled cover",
    "dark low support segments",
    "one visible grey circular wheel-like disk"
  ],
  "unknown_parts": [
    "purpose of covered object",
    "hidden support mechanism",
    "total wheel count",
    "material species/thickness"
  ],
  "assumptions": [
    "Nine ribs and shallow sag approximate visible profile.",
    "Only visible low segments represented; no complete cart/bench chassis invented.",
    "Bags on cover omitted; their occlusion limits evidence."
  ],
  "indices": [
    62,
    63,
    421
  ],
  "textures": [
    "brown-sheet-real.jpg"
  ],
  "sources": [
    {
      "path": "processed/photogrammetry/factory-sky-2026-10-18/images/front-right/000062.jpg",
      "sha256": "5e2b5a60f512b82d37c83930e4b1cce5d5d830d4599457e9a61db77ee966d3d6",
      "time_seconds": 122.12199999999999
    },
    {
      "path": "processed/photogrammetry/factory-sky-2026-10-18/images/front-right/000063.jpg",
      "sha256": "c3c93e1394b958e14699125eea4b259e8e138764c3e7d0240d7291d16970fd84",
      "time_seconds": 124.12399999999998
    },
    {
      "path": "processed/photogrammetry/factory-sky-2026-10-18/images/front-left/000421.jpg",
      "sha256": "00769408810510c0d5978d712aa1a0d8afe842e6019f28cc03d2874a25e8fc84",
      "time_seconds": 840.8399999999999
    },
    {
      "path": "processed/photogrammetry/factory-sky-2026-10-18/images/back-left/000421.jpg",
      "sha256": "23f9393bc267ac434c136a9f1edc122d85e09869716e244abd0c88befa06046e",
      "time_seconds": 840.8399999999999
    }
  ],
  "texture_sources": [
    {
      "texture": "brown-sheet-real.jpg",
      "source": "processed/photogrammetry/factory-sky-2026-10-18/images/front-left/000421.jpg",
      "source_sha256": "00769408810510c0d5978d712aa1a0d8afe842e6019f28cc03d2874a25e8fc84",
      "crop_xyxy": [
        363,
        669,
        389,
        672
      ],
      "processing": "Exact real photo surface crop only; repetition is material mapping, not extra observed detail"
    }
  ],
  "proof_review": {
    "personally_viewed": [
      "proof-front.png",
      "proof-rear.png",
      "proof-side.png"
    ],
    "result": "Coherent editable geometry; no floating source-image fragments. Texture edge contamination removed from cover. Normalized approximation with hidden portions explicit."
  },
  "build_stats": {
    "mesh_objects": 6,
    "vertices": 1449,
    "glb_bytes": 135268
  },
  "verification": {
    "final_blend_reopened": true,
    "one_active_proof_scene": true,
    "build_function_preserves_existing_objects": true,
    "GLB_all_photos_embedded": true
  }
}