{
  "experiment": "E1_live_backend_recovery_ladder",
  "mode": "full",
  "protocol": "LAX-PROP-2026-09-04-01",
  "n_cells": 1920,
  "n_cells_planned": 1920,
  "partial": false,
  "prop01_support_claim": false,
  "support_claim_note": "Full 1920-cell grid complete; support_claim remains false until Prop-01 \u00a75 matched-budget gates clear.",
  "started_utc": "2026-09-05T20:44:48.963148+00:00",
  "finished_utc": "2026-09-05T22:59:49.986566+00:00",
  "total_wall_s": 8100.995902377999,
  "accept_fail_tallies": {
    "accept_total": 1678,
    "fail_total": 242,
    "accept_A0": 934,
    "fail_A0": 26,
    "accept_A4": 744,
    "fail_A4": 216
  },
  "matched_wall": {
    "band_rel": 0.2,
    "n_paired_cells": 960,
    "n_within_band": 780,
    "frac_paired_within_band": 0.8125,
    "mean_wall_A0_pysr": 13.474185765066517,
    "mean_wall_A4_physo": 12.808137697489066,
    "arm_means_rel_gap": 0.049431414943399594,
    "arm_means_within_band": true,
    "mean_soft_pad_s": 0.0,
    "n_a4_zero_eq_cells": 0
  },
  "laws": [
    "linear_decay",
    "harmonic_oscillator",
    "damped_oscillator",
    "lotka_volterra",
    "diffusion_1d",
    "burgers_1d",
    "gravity_toy",
    "dim_violating"
  ],
  "seeds_n": 20,
  "n_samples": [
    50,
    100,
    400
  ],
  "noise_sigma_rel": [
    0.0,
    0.05
  ],
  "arms": [
    "A0_pysr",
    "A4_physo"
  ],
  "source_artifact": "sims/sr-ladder/results/prop01_live_e1_full.json",
  "note": "Public trimmed summary only \u2014 full multi-MB JSON not mirrored. Numbers computed from parent artifact; no invented metrics."
}