{
  "schema": "apeiron-ap1-m1-background-multiscale-preflight-v1.0",
  "updated_utc": "2026-09-02T18:43:47Z",
  "classification": "M1_BACKGROUND_MULTISCALE_ARCHITECTURE_PREFLIGHT_PASS_NO_CANDIDATE",
  "authority_sha256": {
    "AP1/APEIRON_AP1_M1_BACKGROUND_SPEC_LATEST.md": "9a565aef648f4a7229941bf9efa5c51a754fd4763dd11e59e8032701d6ed0259",
    "AP1/APEIRON_AP1_M1_JUNCTION_128_SEED_CHECKPOINT_LATEST.json": "cf946bfcde4c10a36d5eee99a18fe1a8745483e111304d52f4cc17b3fdf103b4",
    "AP1/APEIRON_AP1_M1_JUNCTION_128_SEED_LATEST.npz": "644126925fcff32df6f881ee604787751dbe48829072671bf541552bd65dc729",
    "AP1/CODE/ap1_m1_junction_128_seed.py": "ede27847eaddf50fbd8c2f34c6aa634e993cf106780be45f8bbc62b8e3e7a1a6",
    "AP1/CODE/ap1_r2c_self_consistent_candidate.py": "2c22454f69817ecdc40d38dacad0efaa72fdddcfa50c9c00a48478d610ed8cb0",
    "AP1/CODE/chi_background_closure.py": "1097888c72fbe9152e1905a2a3ab37c15df9ca681639571b87d76de6ddf072a7",
    "AP1/CODE/planck2018_neutrino_closure.py": "ccd3158930dcb9ab74d7634ed06f2eaa00745ac95e2883f9fe02d9039a056acc",
    "AP1/CODE/ap1_m1_background_multiscale_preflight.py": "1482b548881af15983b3887434b99713fe0547f3a1e23536e001b3e679b43488"
  },
  "seed_classification": "M1_JUNCTION_128_SEED_PASS_BACKGROUND_PILOT_OPEN",
  "diagnostic": {
    "role": "fixed_initial_quantum_triplet_architecture_diagnostic_not_a_background_candidate",
    "config": {
      "nodes": 1025,
      "rtol": 2e-09,
      "max_step_N": 0.04
    },
    "N_seed_physical": -56.97244594022879,
    "N_span_to_present": 56.97244594022879,
    "present_anchor_reached_as_grid_endpoint_only": true,
    "scale_factor_dynamic_range": 5.531194016276229e+24,
    "physical_split_transport_octaves": 82.19386522528264,
    "initial_omega_over_H_min": 184.71535214209112,
    "initial_omega_over_H_max": 14273.833598421304,
    "initial_shortest_phase_period_DeltaN": 0.0004401890538975115,
    "first_sampled_tachyonic_N_relative": 0.055637154238504676,
    "first_sampled_tachyonic_N_physical": -56.916808785990284,
    "tachyonic_zero_mode_growth_exponent": 3835.1675406957315,
    "float64_log_max": 709.782712893384,
    "diagnostic_endpoint_H_Mpl": 3.4640800671042004e-07,
    "diagnostic_endpoint_H_over_shared_H0": 5.866941643680344e+53,
    "diagnostic_min_PX": 1.0494577886276069,
    "diagnostic_min_K": 1.0494631481731809,
    "legacy_fixed_comoving_tail_split_rejected": true,
    "legacy_tail_rejection": "curvature tail sector 0 entered omega2 <= 0",
    "trajectory_rows_persisted": 0
  },
  "required_architecture": {
    "transport_seed_modes_without_late_vacuum_reset": true,
    "moving_physical_split_with_adiabatic_state_transport": true,
    "log_amplitude_or_equivalent_tachyonic_rescaling": true,
    "signed_PV_cancellation_under_explicit_precision_control": true,
    "coupled_background_mode_backreaction_iteration": true,
    "independent_Ward_and_Wronskian_audits": true,
    "nested_time_momentum_tail_and_rounding_pilots_before_tolerance_freeze": true
  },
  "gates": {
    "chronology_safe_128_seed_hash_bound": true,
    "all_128_seed_arrays_hash_exact": true,
    "present_anchor_span_finite_and_positive": true,
    "initial_frequency_scale_resolved": true,
    "diagnostic_exposes_float64_tachyonic_overflow_risk": true,
    "fixed_comoving_tail_split_fails_closed_on_diagnostic_envelope": true,
    "required_multiscale_architecture_fully_registered": true,
    "no_background_candidate_or_kernel_started": true
  },
  "all_preflight_gates_pass": true,
  "diagnostic_envelope_integrations": 1,
  "new_AP1_M1_background_runs": 0,
  "background_candidate_assessed": false,
  "background_tolerances_frozen": false,
  "physical_response_kernel_started": false,
  "seed_released": false,
  "checkpoint_eligible": true,
  "nonpass_stored_or_used_as_seed": false,
  "equations_changed": false,
  "physics_changed": false,
  "parameters_changed": false,
  "existing_gate_thresholds_changed": false,
  "claim_boundary": "multiscale solver architecture preflight only; the fixed-source diagnostic envelope is not a physical background, candidate, curve, fit, response kernel, or significance",
  "next_required": "implement an independent moving-split/log-amplitude mode-transport reference path and validate it against the existing Decimal solver on overlapping short tachyonic windows before any long background pilot"
}