{
  "schema": "apeiron-ap1-m1-uv-tail-handoff-freeze-v1.0",
  "updated_utc": "2026-09-02T19:39:45Z",
  "classification": "UV_TAIL_HANDOFF_TOLERANCES_FROZEN_HELDOUT_UNSEEN",
  "input_sha256": {
    "APEIRON_AP1_M1_UV_TAIL_HANDOFF_PILOT_20260902T193917Z.json": "0adee4a8534a95ce1a1a43926611b1e6d4597cb9ae44f54f584e536735c93673",
    "AP1/CODE/ap1_m1_uv_tail_handoff_reference.py": "567c261cb5938f554984ca0bd695b1f551608d962556e16293fcc02bfa91459a"
  },
  "pilot_updated_utc": "2026-09-02T19:39:25Z",
  "predeclared_freeze_policy": {
    "time_grid_multiplier": 128.0,
    "time_grid_floor": 1e-10,
    "time_grid_ceiling": 0.0005,
    "momentum_stencil_multiplier": 128.0,
    "momentum_stencil_floor": 1e-10,
    "momentum_stencil_ceiling": 0.0005,
    "adiabatic_remainder_multiplier": 128.0,
    "adiabatic_remainder_floor": 1e-10,
    "adiabatic_remainder_ceiling": 0.0005,
    "decimal_60_to_80_gross_relative_cap": 1e-30,
    "float64_to_decimal80_gross_relative_cap": 1e-12,
    "moving_cutoff_map_cap": 1e-12,
    "state_transfer_relative_cap": 1e-12,
    "wronskian_relative_cap": 1e-11
  },
  "heldout_plan": {
    "sample_relative_N": [
      0.0625,
      0.0825,
      0.1025
    ],
    "envelope_endpoint_relative_N": 0.115,
    "qcut_over_Lambda": 0.6,
    "fine_step_N": 1.25e-05,
    "coarse_step_N": 2.5e-05,
    "decimal_high_digits": 80
  },
  "thresholds": {
    "max_time_grid_gross_relative_delta": 1.5866210836698402e-09,
    "max_momentum_stencil_gross_relative_delta": 3.777132637454941e-10,
    "max_tail_to_resolved_gross_relative_residual": 1e-10,
    "max_decimal_60_to_80_gross_relative_delta": 1e-30,
    "max_float64_to_decimal80_gross_relative_delta": 1e-12,
    "max_moving_cutoff_map_relative_error": 1e-12,
    "max_state_transfer_relative_error": 1e-12,
    "max_wronskian_relative_error": 1e-11
  },
  "gates": {
    "pilot_hash_bound_before_heldout": true,
    "time_grid_threshold_below_predeclared_ceiling": true,
    "momentum_threshold_below_predeclared_ceiling": true,
    "adiabatic_remainder_threshold_below_predeclared_ceiling": true,
    "heldout_plan_disjoint_and_unseen": true,
    "no_background_candidate_seed_or_kernel": true
  },
  "all_tolerance_freeze_gates_pass": true,
  "tolerances_frozen_before_heldout": true,
  "heldout_evaluated": false,
  "checkpoint_eligible": false,
  "new_AP1_M1_background_runs": 0,
  "trajectory_rows_persisted": 0,
  "background_candidate_assessed": false,
  "background_tolerances_frozen": false,
  "physical_response_kernel_started": false,
  "seed_released": false,
  "claim_boundary": "pilot-derived local boundary-reference tolerances only; registered held-out times, coupled background and physical kernel remain unseen",
  "next_required": "evaluate the registered held-out boundary times once and release no checkpoint unless every frozen gate passes"
}