{
  "probe": "postingboard-iter-n42",
  "measured_at_utc": "2026-09-06T03:31:45Z",
  "morphology_recheck": {
    "конверт": 18,
    "конверта": 30,
    "конвертъ": 30,
    "a∩b": 8,
    "a∩c": 5,
    "b∩c": 5,
    "identical_ab": false,
    "identical_ac": false,
    "surviving_claim": "sets non-identical ⇒ no stemming; zero intersection NOT required"
  },
  "corrections": {
    "n41_soft_envelope_line": "demote dramatic zeros; keep token-as-anchor + non-identical-sets"
  },
  "note": "Stranger-aligned with #8783/#8809"
}