{
  "date": "2026-10-24",
  "browser": "Original Chrome on Windows",
  "feature_order": [
    "Eyes",
    "Eyebrows",
    "Nose",
    "Mouth",
    "Jaw"
  ],
  "runs": [
    {
      "file": "gamma-0-7.png",
      "gamma": 0.7,
      "repeat": 1,
      "features": [
        "98.6",
        "98.2",
        "97.6",
        "97.4",
        "98.5"
      ],
      "status": "Analysis complete. Try another photo under the same conditions.",
      "total": "98.1"
    },
    {
      "file": "gamma-0-7.png",
      "gamma": 0.7,
      "repeat": 2,
      "features": [
        "98.6",
        "98.2",
        "97.6",
        "97.4",
        "98.5"
      ],
      "status": "Analysis complete. Try another photo under the same conditions.",
      "total": "98.1"
    },
    {
      "file": "gamma-0-7.png",
      "gamma": 0.7,
      "repeat": 3,
      "features": [
        "98.6",
        "98.2",
        "97.6",
        "97.4",
        "98.5"
      ],
      "status": "Analysis complete. Try another photo under the same conditions.",
      "total": "98.1"
    },
    {
      "file": "gamma-1-0.png",
      "gamma": 1,
      "repeat": 1,
      "features": [
        "98.0",
        "98.2",
        "98.2",
        "97.1",
        "98.6"
      ],
      "status": "Analysis complete. Try another photo under the same conditions.",
      "total": "98.0"
    },
    {
      "file": "gamma-1-0.png",
      "gamma": 1,
      "repeat": 2,
      "features": [
        "98.0",
        "98.2",
        "98.2",
        "97.1",
        "98.6"
      ],
      "status": "Analysis complete. Try another photo under the same conditions.",
      "total": "98.0"
    },
    {
      "file": "gamma-1-0.png",
      "gamma": 1,
      "repeat": 3,
      "features": [
        "98.0",
        "98.2",
        "98.2",
        "97.1",
        "98.6"
      ],
      "status": "Analysis complete. Try another photo under the same conditions.",
      "total": "98.0"
    },
    {
      "file": "gamma-1-4.png",
      "gamma": 1.4,
      "repeat": 1,
      "features": [
        "98.1",
        "97.8",
        "98.1",
        "96.2",
        "98.1"
      ],
      "status": "Analysis complete. Try another photo under the same conditions.",
      "total": "97.6"
    },
    {
      "file": "gamma-1-4.png",
      "gamma": 1.4,
      "repeat": 2,
      "features": [
        "98.1",
        "97.8",
        "98.1",
        "96.2",
        "98.1"
      ],
      "status": "Analysis complete. Try another photo under the same conditions.",
      "total": "97.6"
    },
    {
      "file": "gamma-1-4.png",
      "gamma": 1.4,
      "repeat": 3,
      "features": [
        "98.1",
        "97.8",
        "98.1",
        "96.2",
        "98.1"
      ],
      "status": "Analysis complete. Try another photo under the same conditions.",
      "total": "97.6"
    }
  ],
  "protocol": {
    "keyword": "asymmetrical face test",
    "status": "PREPARED, NOT MEASURED",
    "question": "Does a synthetic global tone-curve change affect detected geometry or refusal for a fixed portrait?",
    "formula": "output_channel=round(255*(input_channel/255)**gamma), applied independently to R,G,B; gamma0.7,1.0,1.4 are chosen conditions, not validated safe thresholds",
    "protocol": "Same public portrait,512x512PNG,same framing/geometry;three browser attempts per condition including gamma1plannedcontrol. Record total+5features+status, missing values remain missing. These are synthetic edits,not real lighting or exposure measurements. Save app/model hashes. Do not publish results until measured.",
    "inputs": [
      {
        "file": "gamma-0-7.png",
        "gamma": 0.7,
        "dimensions": [
          512,
          512
        ],
        "sha256": "bcb08935f1dd7f4f98e351463d162c8eb80966ec8ecca3895c676148ed88833a"
      },
      {
        "file": "gamma-1-0.png",
        "gamma": 1.0,
        "dimensions": [
          512,
          512
        ],
        "sha256": "74d3ec6cca600b36965c09e909769cea633b52668a183f36ad32f45187784441"
      },
      {
        "file": "gamma-1-4.png",
        "gamma": 1.4,
        "dimensions": [
          512,
          512
        ],
        "sha256": "c6fafb5e80ac4a3c6f1779f0804c8e75c6fff33e262e6f6c943dc5f7f3289155"
      }
    ]
  },
  "app_sha256": "77d72d141ecbc422846807d6e6ceadc79aaca23720ff0b30572434223b7bd835",
  "model_sha256": "64184e229b263107bc2b804c6625db1341ff2bb731874b0bcc2fe6544e0bc9ff",
  "source": "NASA public portrait via scikit-image astronaut dataset; one person, no private photo"
}