{
  "schema": "apeiron-ap1-r2c-p42-fixed-h-minimax-pass-v2.0",
  "updated_utc": "2026-09-02T13:58:17Z",
  "classification": "P42_FULL_GATE_PASS",
  "source": "validated_p41_PASS_only",
  "accepted_checkpoint": "/Apeiron/AP1/APEIRON_AP1_R2C_P42_FIXED_H_MINIMAX_PASS_LATEST.json",
  "diagnostics": {
    "candidate_nodes": 42,
    "dae_max_abs_scaled_residual": 2.327570421458129e-05,
    "ward_normalized": 3.038274699632823e-07,
    "validation_source_relative_change": 1.919758657797001e-05,
    "validation_wronskian_relative_error": 5.6e-50,
    "min_H": 8.312595082091879e-08,
    "min_PX": 1.8132335484729594,
    "min_K": 3.016188545394498
  },
  "method": {
    "lift": "strict_single_step_endpoint_quadratic_bspline_after_validated_p42",
    "p42_reconstruction": "degree2_3_beta2p5_plus_bounded_Lobatto_defect_corrections",
    "fixed_H_projection": "independent_sigma_dot_theta_dot_minimax_with_exact_total_density_compensation",
    "closure_ordering": "full_pressure_chi2_closure_before_fixed_H_minimax_when_required",
    "equations_changed": false,
    "physics_changed": false,
    "gates_changed": false
  },
  "superseded_nonpass_diagnostic": {
    "classification": "P42_NONPASS_DIAGNOSTIC_IMPROVED_SCALARS_ONLY",
    "best_dae_max_abs_scaled_residual": null,
    "nonpass_vector_stored_or_used_as_seed": false
  },
  "equations_changed": false,
  "physics_changed": false,
  "gates_changed": false,
  "production_curves_released": false
}