{
 "generated": "2026-10-14",
 "method": "For every statement this site has labelled invented, fabricated, mutated, drifted or superseded in an AI answer, search the full git history of the site for that statement (value and context) in anything we published before the observation date. If our own record contained it, the label is wrong.",
 "scope": [
  "7 correction atoms (corrections.html#correction-atoms)",
  "Case Files #001 and #002",
  "September 2026 benchmark grades carrying FABRICATED_SUPPORT or CORRECTION_REGRESSION, and q9 TEMPORAL_DRIFT",
  "echo ledger E1-E7 (data/echo-ledger.json)"
 ],
 "results": [
  {
   "item": "atom 13.6% lender-identity share",
   "verdict": "holds",
   "evidence": "13.6% appears in our record only as other statistics (2023 FHA purchase denial rate; a collateral denial-reason share; loanDepot Boise). Never as a variance share."
  },
  {
   "item": "atom 21.7% national rate",
   "verdict": "holds",
   "evidence": "Correctly labelled superseded by the 2026-07-26 correction."
  },
  {
   "item": "atom 59% lender-identity share",
   "verdict": "holds, wording narrowed",
   "evidence": "Never published by us. 'No source reports 59%' changed to 'we have found no source that reports 59%' (an external absence we cannot prove)."
  },
  {
   "item": "atom door effect first measured by Federal Reserve economists",
   "verdict": "holds",
   "evidence": "No such attribution anywhere in our history before the atom itself."
  },
  {
   "item": "atom 38.7% manufactured-home figure",
   "verdict": "mislabelled",
   "evidence": "38.7% is our own figure (Rocket Mortgage FHA manufactured-home denial rate, published 2026-07-19/20). The answer conflated two real FRC figures; 'number drift' was wrong. Relabelled 2026-10-14."
  },
  {
   "item": "atom Cleveland 73.8 (6.3 vs 80.1)",
   "verdict": "mislabelled cause",
   "evidence": "73.8 was our published value 2026-07-22/24; the 2026-07-26 correction moved CrossCountry Cleveland 6.3% (1,106) to 6.4% (1,102). Not an early-dataset-card drift. Relabelled 2026-10-14."
  },
  {
   "item": "atom 'FRC corrected or withdrew Cleveland's #1 status' (phantom correction)",
   "verdict": "wrong",
   "evidence": "corrections.html entry 2026-07-28 withdrew 'widest intra-metro spread in the US'; the 2026-07-26 correction moved the gap 73.8 -> 73.7; it changed 271 of 319 metro rates (max +5.7 pp) and removed Charlottesville, VA."
  },
  {
   "item": "Case File #001 (2026-09-03)",
   "verdict": "wrong",
   "evidence": "Both statements it called invented are in our record (see the two atoms above)."
  },
  {
   "item": "Case File #002 (2026-09-07)",
   "verdict": "wrong",
   "evidence": "The '28 July withdrawal' and its rationale (up to five high-volume lenders per metro) are our own 2026-07-28 entry and metro hub text."
  },
  {
   "item": "September chatgpt q9 (D; FABRICATED_SUPPORT, CORRECTION_REGRESSION)",
   "verdict": "wrong",
   "evidence": "Los Angeles 93.71 and Cleveland eighth at 86.62 are quoted in our 2026-07-28 entry and benchmark-scorecard.html as an AI agent's computation."
  },
  {
   "item": "September chatgpt q12 (D; FABRICATED_SUPPORT)",
   "verdict": "wrong",
   "evidence": "The 'Cleveland retraction' it listed is our 2026-07-28 entry."
  },
  {
   "item": "September answer key q9",
   "verdict": "wrong",
   "evidence": "Ground truth 'Cleveland, OH — 73.7' to 'Which US metro has the widest spread' restates the claim withdrawn on 2026-07-28."
  },
  {
   "item": "September answer key q12",
   "verdict": "wrong",
   "evidence": "'No Cleveland metro finding has ever been corrected, narrowed or withdrawn' contradicts the 2026-07-26 and 2026-07-28 entries."
  },
  {
   "item": "September copilot q9, deepseek q9 (TEMPORAL_DRIFT, 6.3/73.8)",
   "verdict": "holds, cause restated",
   "evidence": "A superseded value of ours; the flag is right, the cause is our 26 July correction."
  },
  {
   "item": "September gemini q3 (Fairway 5.7%)",
   "verdict": "suspended (2026-10-17)",
   "evidence": "No Fairway 5.7% anywhere in our history; Fairway's rate in our data is 8.3%. Re-checked 2026-10-17: the API benchmark's search tool quoted LendingTree's FHA rates page reporting Fairway at 5.7%. This audit searched only our own history; an outside source was never checked. Code suspended pending a direct read."
  },
  {
   "item": "September perplexity q4 (Idaho, FABRICATED_SUPPORT)",
   "verdict": "suspended",
   "evidence": "38.3% was our own published error (corrected in this log). The raw September transcripts are not in our repository; only grader notes are. Until a transcript is found the item is suspended with this date and the FABRICATED_SUPPORT code is withdrawn."
  },
  {
   "item": "echo ledger E4 (Gemini, 'HMDA merged with FHA administrative records')",
   "verdict": "holds",
   "evidence": "That lineage never appears in our history before the observation."
  },
  {
   "item": "echo ledger E1-E3, E5-E7",
   "verdict": "no invention alleged",
   "evidence": "Attribution, qualifier and collision findings; E3's CrossCountry 6.3% is correctly described as our number answering a different question."
  }
 ],
 "places_the_wrong_claim_was_written": [
  "corrections.html 'Read this first' notice",
  "corrections.html phantom-correction atom",
  "corrections.json header rule",
  "corrections.json atom e9903593",
  "case-files/001",
  "case-files/002",
  "case-files/index.html",
  "benchmark.json q9 ground truth",
  "benchmark.json q12 ground truth and scoring_note",
  "benchmark-2026-09.json chatgpt q9/q12 notes",
  "verdict-2026-09.html card",
  "eval/correction-latency.json chatgpt q9 observation",
  "verdict-day.html correction-fidelity axis rationale",
  "answers.html and data/atoms.json ('third month running')",
  "llms.txt case-files lines"
 ],
 "rule": "No entry in the corrections log, the Hallucination Files or a benchmark grade may say a system invented something about us unless the entry quotes the dated record that contradicts it; 'not in our log' must be shown by a linked search of the log and the site history, not asserted from memory.",
 "addendum_2026_10_17": "The method of this audit checks our own record only. A claim that a figure has 'no source' needs an outside search too; Gemini q3 (Fairway 5.7%) failed that test and is suspended."
}