{
  "fixture": "Operator-supplied car hood image; source generator and full ancestry are not established.",
  "source_sha256": "813620bb702e1e031d646dc1bf6a40ae6f151e2d8ad4d3dd2dc9319e3747e1e5",
  "source_bytes": 2743745,
  "output_sha256": "9334b8c6ce5e93574413e22ec01663189da27f42f3ee7662da13a4d5f9a695e3",
  "output_bytes": 9297603,
  "output_bit_depth": 16,
  "width": 2048,
  "height": 1152,
  "score_before": 5256.691161264514,
  "score_after_16bit_export": 0.06361762368797343,
  "parity_cell_gray_levels": [
    [
      0.7545716230770221,
      -0.11538588432673416
    ],
    [
      -0.022862376548375377,
      -0.6163233622019125
    ]
  ],
  "periodic_energy_fraction": 0.006684228466370296,
  "periodic_rms_gray_levels": 0.49068049984492584,
  "fine_band_strength_ratio_calm_half": 0.9902341473745027,
  "fine_band_correlation_calm_half": 0.9875527852106801,
  "max_rgb_change_gray_levels": 0.7548638132295764,
  "control": {
    "kind": "32 Gaussian white-noise images, 512 square, passed through the same high-pass measurement",
    "seed": 20261025,
    "median_score": 0.725452082704266,
    "min_score": 0.04666564587454475,
    "max_score": 2.0984752542180045
  },
  "scope": "Single-image diagnostic, not an incidence estimate or causal identification. Residual-energy fraction is not visible-grain fraction. Export is 16-bit lossless PNG; score is remeasured from that export.",
  "self_checks": "Parity projection zero means; score-energy identity; constant-image case; injected parity signal: passed"
}