{
 "schemaVersion": 1,
 "generatedAt": "2026-08-09",
 "seed": 20260809,
 "method": "exhaustive substitution & transposition over 2000 generated codes per scheme; Monte-Carlo double errors; PRNG mulberry32 fixed seed; USCI algorithm imported from the site's public checker (assets/usci-core.js); VIN implementation validated against NHTSA handbook sample 1M8GDM9AXKP042788",
 "results": [
  {
   "scheme": "USCI GB32100 mod-31",
   "codes": 2000,
   "singleSubstitution": {
    "tried": 1080000,
    "caught": 1080000,
    "detectionPercent": 100
   },
   "transposition": {
    "tried": 291581,
    "caught": 289652,
    "detectionPercent": 99.338,
    "dataPositionsOnly": {
     "tried": 258680,
     "caught": 258680,
     "detectionPercent": 100
    }
   },
   "randomDoubleError": {
    "tried": 92522,
    "caught": 89204,
    "detectionPercent": 96.414
   }
  },
  {
   "scheme": "VIN 49CFR565 mod-11",
   "codes": 2000,
   "singleSubstitution": {
    "tried": 1088000,
    "caught": 1006623,
    "detectionPercent": 92.52
   },
   "transposition": {
    "tried": 263764,
    "caught": 232272,
    "detectionPercent": 88.061,
    "dataPositionsOnly": {
     "tried": 232735,
     "caught": 201904,
     "detectionPercent": 86.753
    }
   },
   "randomDoubleError": {
    "tried": 94062,
    "caught": 86082,
    "detectionPercent": 91.516
   }
  }
 ],
 "vinMissAttribution": {
  "sample": 500,
  "missTotal": 20364,
  "sameValueTransliteration": 20364,
  "other": 0
 }
}