{
  "schema": "agentfem.physics-data.denim-runtime-validation",
  "schema_version": "1.0.0",
  "status": "passed_with_documented_tangent_boundary",
  "validated_at": "2026-09-25T13:30:00+08:00",
  "software": {
    "agentfem_version": "0.3.7.dev0",
    "agentfem_commit": "40c965225fc3b8d12a93a68e0d6b01dd35d47d82",
    "agentfem_learning_version": "0.1.0a1",
    "agentfem_learning_commit": "06d454e4ee66a7ee4f4c8a705d5958ff9577d18c",
    "python": "3.11.15",
    "pytorch": "2.13.0",
    "numpy": "2.4.6",
    "h5py": "3.16.0",
    "mpi_vendor": "MPICH 5.0.1"
  },
  "identity": {
    "model_repo": "HaomingLuo/AgentFEM-DENIM",
    "source_model_revision": "5629df0a23a3d1ed43e9de2150e3d33cb979fdc1",
    "dataset_repo": "HaomingLuo/AgentFEM-Material-Loading-Memory",
    "dataset_revision": "c84f416e5a71daa157e406c50afc3fc73509b9ca",
    "model_version": "1.1.0",
    "architecture": "denim.v1",
    "parameter_count": 918,
    "weights_format": "safetensors",
    "weights_sha256": "2ed35af21f3c11d6f2237485871ac39d63b084eeb47b6c341175ab6ccb0f960a",
    "manifest_sha256": "5c3636278999f1b92c5b8b94fc8500e8dd270b5f7285dbd53fc5d0a3b6976105"
  },
  "dataset_audit": {
    "complete_trajectories": 2660,
    "t2_v1": 1008,
    "t2_multiaxial_v2": 1024,
    "denim_closure_v1": 128,
    "denim_boundary_v1": 500,
    "t2_regression_tests_passed": 34,
    "t2_regression_tests_failed": 0,
    "boundary_release_checksums_verified": true
  },
  "safe_bundle_equivalence": {
    "path_steps": 121,
    "maximum_absolute_stress_difference_pa": 2.682209014892578e-7,
    "stress_rmse_pa": 2.090951128498144e-8,
    "final_peeq_difference": 0.0,
    "maximum_absolute_stress_mpa": 292.54713784451934,
    "final_peeq": 0.009527088265532677,
    "maximum_yield_residual_pa": 0.40072572231292725
  },
  "tangent_audit": {
    "method": "central_difference_fixed_old_state_vs_autodiff",
    "relative_step": 1e-6,
    "strict_acceptance_tolerance": 2e-5,
    "points": [
      {
        "equivalent_path_strain": 0.001,
        "regime": "elastic",
        "relative_error": 9.777786913369087e-14,
        "strictly_accepted": true
      },
      {
        "equivalent_path_strain": 0.0015,
        "regime": "near_yield",
        "relative_error": 0.000463908560930518,
        "strictly_accepted": false
      },
      {
        "equivalent_path_strain": 0.002,
        "regime": "plastic",
        "relative_error": 0.00151667819950217,
        "strictly_accepted": false
      },
      {
        "equivalent_path_strain": 0.003,
        "regime": "plastic",
        "relative_error": 0.0034972718149479777,
        "strictly_accepted": false
      },
      {
        "equivalent_path_strain": 0.006,
        "regime": "plastic",
        "relative_error": 0.008029543517786931,
        "strictly_accepted": false
      }
    ],
    "interpretation": "The current autodiff tangent is exact in the elastic regime and approximate through the fixed-iteration plastic return map. The observed plastic-point discrepancy is 0.05-0.80 percent over this audit. Global solves below completed without cutback, but the artifact is not claimed to provide a mathematically exact consistent plastic tangent."
  },
  "global_implicit_validation": {
    "elastic_serial": {
      "prescribed_displacement_m": 0.001,
      "maximum_absolute_stress_pa": 190000000.00000003,
      "accepted_increments": 4,
      "attempted_increments": 4,
      "converged": true
    },
    "plastic_serial": {
      "prescribed_displacement_m": 0.008,
      "maximum_absolute_stress_pa": 500440565.1864772,
      "accepted_increments": 4,
      "attempted_increments": 4,
      "converged": true
    },
    "plastic_mpi2": {
      "prescribed_displacement_m": 0.008,
      "maximum_absolute_stress_pa": 500440565.1864771,
      "accepted_increments": 4,
      "attempted_increments": 4,
      "converged": true
    },
    "serial_mpi2_maximum_stress_difference_pa": 5.960464477539063e-8,
    "serial_mpi2_displacement_difference_m": 0.0,
    "applicability_status": "in_domain"
  },
  "software_regression": {
    "agentfem_tests_passed": 18,
    "agentfem_learning_tests_passed": 11,
    "failures": 0
  },
  "claim_boundary": {
    "supported": [
      "lossless legacy-to-safetensors checkpoint migration",
      "offline checksum-verified loading",
      "material-point and batch inference",
      "state commit and result evidence through AgentFEM",
      "serial and two-rank implicit finite-element execution"
    ],
    "not_supported": [
      "production UMAT certification",
      "experimental material calibration",
      "cross-material universality",
      "mathematically exact consistent plastic tangent"
    ]
  }
}