{
  "schema": "apeiron-ap1-m1-uv-tail-handoff-reference-checkpoint-v1.0",
  "updated_utc": "2026-09-02T19:40:25Z",
  "classification": "M1_UV_TAIL_RESOLVED_HANDOFF_AND_SIGNED_PV_REFERENCE_PASS_LONG_BACKGROUND_PILOT_OPEN_PHYSICAL_KERNEL_BLOCKED",
  "authority_sha256": {
    "APEIRON_AP1_M1_UV_TAIL_HANDOFF_PILOT_20260902T193917Z.json": "0adee4a8534a95ce1a1a43926611b1e6d4597cb9ae44f54f584e536735c93673",
    "APEIRON_AP1_M1_UV_TAIL_HANDOFF_TOLERANCES_20260902T193936Z.json": "e9a75835c18dd21ccab594d11e0a53a0c2a31c8bd75f7fec21dcfa72fef953b2",
    "APEIRON_AP1_M1_UV_TAIL_HANDOFF_HELDOUT_20260902T193957Z.json": "9d27fc6c19fccc59e63cb76e3f00c67012809ff070554dece3562fcb539fa7bc",
    "AP1/CODE/ap1_m1_uv_tail_handoff_reference.py": "567c261cb5938f554984ca0bd695b1f551608d962556e16293fcc02bfa91459a"
  },
  "frozen_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
  },
  "heldout_aggregate": {
    "points": 3,
    "min_boundary_omega2_Mpl2": 1.83351202587802e-06,
    "min_boundary_W_Mpl": 0.0013540721467996798,
    "max_abs_W2_over_W0": 1.76472805421462e-07,
    "max_abs_W4_over_W0": 1.5666025393653566e-11,
    "max_moving_cutoff_map_relative_error": 2.220446049250313e-16,
    "max_state_transfer_relative_error": 4.1345470483824756e-16,
    "max_wronskian_relative_error": 3.3306690738754696e-16,
    "max_time_grid_gross_relative_delta": 2.019053694415554e-12,
    "max_momentum_stencil_gross_relative_delta": 1.9042461026211026e-12,
    "max_tail_to_resolved_gross_relative_residual": 7.160292676307008e-14,
    "max_decimal_60_to_80_gross_relative_delta": 2.8533571380794973e-59,
    "max_float64_to_decimal80_gross_relative_delta": 9.789515359595956e-16,
    "max_PV_cancellation_ratio": 0.15176255647049586,
    "min_PV_cancellation_ratio": 0.020369650447185906,
    "all_adiabatic_hierarchies_ordered": true,
    "all_values_finite": true,
    "any_state_reinitialized": false
  },
  "gates": {
    "pilot_complete": true,
    "tolerances_frozen_before_heldout": true,
    "heldout_full_PASS": true,
    "only_PASS_promoted": true,
    "no_background_kernel_seed_or_observable": true
  },
  "all_checkpoint_gates_pass": true,
  "checkpoint_eligible": true,
  "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,
  "nonpass_stored_or_used_as_seed": false,
  "equations_changed": false,
  "physics_changed": false,
  "parameters_changed": false,
  "existing_gate_thresholds_changed": false,
  "next_required": "implement and run a bounded coupled moving-split AP1-M1 background pilot; freeze pilot-based background tolerances before a disjoint candidate run; keep the physical response kernel locked",
  "claim_boundary": "short fixed-source boundary reference only; no physical background, source history, kernel, observable, curve, fit or significance"
}