{
  "schema": "apeiron-ap1-m1-coupled-moving-split-background-checkpoint-v1.0",
  "updated_utc": "2026-09-02T20:41:03Z",
  "classification": "M1_BOUNDED_COUPLED_MOVING_SPLIT_BACKGROUND_REFERENCE_PASS_STAGED_LONG_EXTENSION_OPEN_PHYSICAL_KERNEL_BLOCKED",
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    "tolerances_frozen_before_heldout": true,
    "heldout_full_PASS": true,
    "only_PASS_promoted": true,
    "no_production_background_kernel_seed_or_observable": true
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  "seed_released": false,
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  "equations_changed": false,
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  "parameters_changed": false,
  "existing_gate_thresholds_changed": false,
  "AP1_status": "ORANGE",
  "next_required": "extend the same coupled moving-split solver through staged logarithmic N windows; freeze production-background tolerances before any full candidate or physical response kernel",
  "claim_boundary": "bounded coupled background architecture reference only; no present anchor, production trajectory, response kernel, observable, curve, fit or significance"
}