{
  "finding": "STD2-038",
  "title": "Likely earlier terrain sheet",
  "recorded_result": "The loose sheet is 128×128; referenced set1.tga is 256×256. The recorded 2,032-file / 885-image audit found no consumer or full-image alias for set1OLD.",
  "checking_steps": [
    "Compare set1OLD.tga and set1.tga’s dimensions/pixels, then inspect exact material and UV references.",
    "Any earlier-version interpretation comes from filename and appearance. No date or revision sequence is established, and partial/resampled reuse was not excluded."
  ],
  "limitations": "Earlier-version wording is an inference from the name and appearance, not a proved sequence.",
  "scope": "The recorded result and checking steps summarize preserved excavation research. The source observations below were recomputed for publication review; they do not rerun the earlier geometry fits, UV checks, reference scans or original-x86 experiments.",
  "source_observations": [
    {
      "archive": "edpieces",
      "name": "set1.tga",
      "size": 196652,
      "sha256": "8421fabf78c07c34fa103be8ce95a057448c4f662a84a9b294c6ba719e7bf9b9",
      "identity": "edpieces/set1.tga"
    },
    {
      "archive": "edpieces",
      "name": "set1OLD.tga",
      "size": 49196,
      "sha256": "4ac8729de626ef8e907f32112015e046a008a93b98dd720bf7429ae11dc8d526",
      "identity": "edpieces/set1OLD.tga"
    }
  ],
  "source_selection": "Files named in the canonical research note, including related models and controls. This is not a claim that every listed file is unused or a complete dependency closure.",
  "preserved_research_records": [
    {
      "record": "TERRAIN_SHEET_VARIANT.md",
      "sha256": "9a2c5f11540ece3eb26b8e50ce372418e90a530f7e17e99499e168fc787b317b"
    },
    {
      "record": "terrain_sheet_audit.json",
      "sha256": "c0d3b9eb1302ccf9e166bd7ce5ecb317ba859906e7d84e7b714e9ad14c0a18c2"
    }
  ],
  "record_provenance": "Research-record hashes bind this summary to preserved local records. They do not make those internal records downloadable or replace the original source checks.",
  "fresh_audit": "/evidence/stunt-track-driver-2/source-audit.json",
  "bounded_relationship_audit": "/evidence/stunt-track-driver-2/relationship-audit.json"
}