{
  "discovery": "shared-music",
  "ledger_ids": [
    "SAGSIG-004",
    "TADTID-004"
  ],
  "confidence": "Confirmed",
  "claims": [
    {
      "id": "SAGSIG-004",
      "claim": "Five SIG files are identical, and GARG.SAG is identical to menu.sag.",
      "tier": "Confirmed",
      "limit": "Hardware selection is explained separately by AUDIT-001.",
      "type": "Static container/hash evidence; original-code emulation validates the corrected decode path on three inputs.",
      "method": "Compare complete retail music-file hashes and garage sound-bank bytes; compare extracted samples without changing their levels."
    },
    {
      "id": "TADTID-004",
      "claim": "garg.tad and garg.tid are byte-identical despite belonging to the two audio-quality sets.",
      "tier": "Confirmed",
      "limit": "An unconverted low-spec companion is supported; the reason it shipped that way is not established.",
      "type": "Static evidence.",
      "method": "Compare complete retail music-file hashes and garage sound-bank bytes; compare extracted samples without changing their levels."
    }
  ],
  "examined_inputs": [
    {
      "name": "Hot Wheels - Stunt Track Driver.iso",
      "sha256": "82707d3f37ed08c4ce2c39bc28b29942cf7ee746ce67d8d957efea024cd56b80"
    },
    {
      "name": "stunt.exe",
      "sha256": "a938949d705e2e06af80c22bdd76b10b52df811342e5a5b28bc23ba716903850"
    }
  ],
  "method": "Compare complete retail music-file hashes and garage sound-bank bytes; compare extracted samples without changing their levels.",
  "verification": "Historical research and audit records support the statements above. This assembly verifies mapping and media hashes; it does not rerun the excavation or establish a new gameplay observation.",
  "scope": "Reviewed publication summary. Private research notes, personal review records and raw game files are not included. Input hashes identify the 1998 source; they are not independent proof of each conclusion."
}