{
  "checksum_scope": "All listed output files; run_receipt.json is explicitly excluded from its own checksums.",
  "external_numeric_binding": "CLOSED",
  "fixture_provenance": "SYNTHETIC/EXPLORATORY test-design values; not literature-derived, not fitted, not normal physiology. Ventricular/vascular scalars reuse legacy exploratory defaults; new atrial and venous-inflow values are test-design choices. Explicit caller total: 5120 mL.",
  "inherited_m1_review": "UNREVIEWED; batch-TDD limitation unresolved",
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          "compliance_sa": 1.5,
          "compliance_sv": 100.0,
          "elastance_la": 0.15,
          "elastance_ra": 0.1,
          "emax_lv": 2.5,
          "emax_rv": 0.8,
          "emin_lv": 0.06,
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          "heart_rate": 75.0,
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          "resistance_pulmonary_valve": 0.01,
          "resistance_pulmonary_venous": 0.05,
          "resistance_systemic": 1.0,
          "resistance_tricuspid": 0.01,
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          "systolic_fraction": 0.4,
          "unstressed_volumes": [
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}