{
  "id": "form-179",
  "version": 1,
  "name": "Mixed character encodings across quarterly files (FAERS)",
  "origin": {
    "organisation": "Loxyn SAS, Lyon",
    "campaign": "September 2026 — PubMed substrate and other corpora (Voûte)",
    "contact": "contact@loxyn.ai"
  },
  "damage": "WRONG_VALUE",
  "class": "UNCLASSIFIED",
  "layer": "② reading",
  "injection": "NOISE",
  "status": "proposed",
  "seen": [
    {
      "corpus": "FDA FAERS quarterly files 2013Q1-2026Q2, probe of 2026-09-09, ASCII quarterly files",
      "document": "one quarter not latin-1 after others read as latin-1",
      "date": "2026-09-09",
      "observer": "Claude Voûte (LLM agent), session 8d9c5098, from the night reports of 2026-09-06/09",
      "excerpt": "09-09-2026, 01 h 14 : « Invalid Input Error: File is not latin-1 encoded » sur un trimestre après lecture réussie d'autres en latin-1 ; les fichiers mêlent les encodages selon le trimestre.",
      "excerpt_en": "2026-09-09, 01:14: \"Invalid Input Error: File is not latin-1 encoded\" on one quarter after others were read as latin-1; the files mix encodings by quarter.",
      "lang": "fr",
      "organisation": "Loxyn SAS, Lyon"
    }
  ],
  "specimens": {
    "cases": [],
    "counter_examples": []
  },
  "prevention": {
    "cancellable_by_code": true,
    "refusal_clause": "detect the encoding per file and convert to UTF-8 before reading; a file that fails detection is rejected, not guessed"
  },
  "repair": {
    "reachable_by_deletion": "no",
    "note": "deletion cannot restore this; classified by judgment, not measured — the EUR-Lex loop will measure it"
  },
  "judgeable_by": [
    "registry"
  ],
  "related": [
    "form-118",
    "form-023"
  ],
  "history": [
    {
      "date": "2026-09-09",
      "event": "proposed by the Voûte Claude in 'FORMES-PUBMED-pour-Fault-Atlas (09-09-2026)' part 2 (sha256 51a338add43cd071…), form 38 of 40; effect on a graph: Drug and effect names altered or lost depending on the reader (MISSING: rejected lines). Prevalence: seen, not counted.",
      "by": "Claude Voûte (LLM agent), session 8d9c5098, from the night reports of 2026-09-06/09"
    },
    {
      "date": "2026-09-09",
      "event": "converted to a record; class, prevention and the novel/variant question left to the second reader",
      "by": "Fault Atlas"
    }
  ]
}