{
  "schema": "apeiron-ap1-r2c-g22-pass-checkpoint-v1.0",
  "updated_utc": "2026-09-02T15:17:25Z",
  "classification": "G22_PASS",
  "atomic_state": "AP1_R2C_G22_PASS_R3_RESPONSE_AND_M1_BOUNDARY_OPEN",
  "tests": {
    "passed": 78,
    "total": 78
  },
  "levels": {
    "17": {
      "decimal_mode_digits": 60,
      "dae_max_abs_scaled_residual": 2.4693189357429658e-05,
      "max_abs_friedmann_residual": 1.5129114316250977e-16,
      "ward_normalized": 1.1786824058621962e-07,
      "validation_source_relative_change": 1.9902814220692463e-05,
      "validation_wronskian_relative_error": 4.6e-50,
      "min_H": 8.312497028909656e-08,
      "min_PX": 1.8132335484729594,
      "min_K": 3.016188545394498
    },
    "33": {
      "decimal_mode_digits": 70,
      "dae_max_abs_scaled_residual": 7.999970928398809e-05,
      "max_abs_friedmann_residual": 1.5128152480799492e-16,
      "ward_normalized": 9.838600989648884e-08,
      "validation_source_relative_change": 1.9806606052665525e-05,
      "validation_wronskian_relative_error": 8.6e-60,
      "min_H": 8.312497028909656e-08,
      "min_PX": 1.8132335484729594,
      "min_K": 3.016188545394498
    },
    "65": {
      "decimal_mode_digits": 80,
      "dae_max_abs_scaled_residual": 8.03572331844533e-05,
      "max_abs_friedmann_residual": 1.5127815257766294e-16,
      "ward_normalized": 3.7792871908746896e-08,
      "validation_source_relative_change": 1.9792920576849823e-05,
      "validation_wronskian_relative_error": 1.34e-69,
      "min_H": 8.312595082091879e-08,
      "min_PX": 1.8131864526248955,
      "min_K": 3.016047029195706
    }
  },
  "monotonic_refinement": {
    "max_abs_friedmann_residual": true,
    "ward_normalized": true,
    "validation_source_relative_change": true,
    "validation_wronskian_relative_error": true
  },
  "all_absolute_gates_pass": true,
  "method": {
    "fixed_H_lexicographic_Q_rho_minimax": true,
    "background_residual_cap": 8e-05,
    "decimal_precision_schedule": {
      "17": 60,
      "33": 70,
      "65": 80
    },
    "precision_rationale": "Increase Decimal guard digits with p so accumulated symplectic roundoff is itself refined; Float64 background inputs, equations, physical parameters, and all gate thresholds remain unchanged."
  },
  "artifact_sha256": {
    "g22_audit": "cfc67e06eee5df675126e85c47702ae85d4ce03f194e3052304840a7cc03883d",
    "p33_checkpoint": "950da18ff8715565bc758c0760347d4ce4999a08eb73c3220beb2a481b146b68",
    "p65_checkpoint": "0f5a5ba7516ac3c6d3bc28492b8b0f564421efc4405dec857d80a590510dc40f",
    "lexicographic_method_code": "9af2cb2da8d8a5ae5a8d144a8cf48ec626b8f4a6a771dc2b2f5b77b6ac9ffb42",
    "g22_audit_code": "0db500af17e68e49d147c11c861157b94f6a4a60a8e8fad7f4a960e4dfac5f40",
    "regression_tests": "e315063fcba86410ebbb6f8caffeaef990670a14c10c9d405712ec6efc21c361"
  },
  "equations_changed": false,
  "physics_changed": false,
  "gates_changed": false,
  "nonpass_stored_or_used_as_seed": false,
  "production_curves_released": false,
  "claim_boundary": "G22 is a local numerical consistency PASS only; AP1 remains ORANGE until the M1 boundary calibration, causal response kernel, and finite-frequency/long-time stability gates are closed."
}