{
  "schema_version": 1,
  "reviewed": "2026-11-14",
  "title": "Importance–performance quantities",
  "records": [
    {
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      "title": "Installed historical IPMA",
      "status": "bounded_retained_comparison_pass",
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      "scope": "281 comparisons:60 fresh IPMA plus221 reused PLS references.",
      "counts": {
        "compared_numeric_or_mask_cells": 281,
        "outside_recorded_gate": 0,
        "distinct_ledger_fixture_labels": 1,
        "independent_study_count": null
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      "maximum_recorded_absolute_difference": 0.0,
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      ],
      "limitations": [
        "Not configured theoretical-range IPMA,cIPMA or every target."
      ],
      "reviewed_acceptance": {
        "gate_distribution": [
          {
            "absolute_tolerance": 1e-08,
            "relative_tolerance": 1e-08,
            "derivation": "explicit_per_cell",
            "numeric_or_mask_cells": 256
          },
          {
            "absolute_tolerance": 0,
            "relative_tolerance": 0,
            "derivation": "explicit_per_cell",
            "numeric_or_mask_cells": 25
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        ],
        "formula": "abs(native - aligned_reference) <= absolute_tolerance + relative_tolerance * abs(aligned_reference)",
        "gate_note": "The original checker applies these gates to its aligned values. Null/missing masks must also agree. Numeric and mask cells are not independent studies.",
        "comparison_count": 281,
        "failed_count": 0,
        "null_reference_cells": 0,
        "receipt_name": "per-cell-comparisons.json",
        "receipt_sha256": "5127793a25d83f6e3a6186660238b51d5355f51ec1b05af20735007ee7a907fa"
      },
      "source_records": [
        {
          "name": "INSTALLED-IPMA-REPORT.md",
          "sha256": "3e09adf46f1e6b0d8584232a01a301cc8cc3f3c8afffcac2a140a5e96ec7787b"
        }
      ],
      "fresh_current_store_binary_comparison": false,
      "public_extract_scope": "Curated factual comparison extract. Input datasets and private raw artifacts are not redistributed. Not a complete rerunnable package."
    }
  ]
}