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      "height": 1440
    },
    {
      "fixture": "texture",
      "transformation": "unmarked",
      "detected": false,
      "matched": null,
      "score": null,
      "runnerUpScore": 4.151976814804488,
      "scale": null,
      "elapsedMs": 2237,
      "pixelSha256": "7c650288724e003c19d1b2b3e13a1f0c6112425540ca9a430263a406216d8899",
      "width": 1920,
      "height": 1440,
      "negativeControl": true
    },
    {
      "fixture": "texture",
      "transformation": "wrong-key",
      "detected": false,
      "matched": null,
      "score": null,
      "runnerUpScore": 4.444238010342041,
      "scale": null,
      "elapsedMs": 1347,
      "pixelSha256": "2fd7692175290ad0ea16d953f1fa8abcb0f8711e0d5ea72805dd918f91e22382",
      "width": 1920,
      "height": 1440,
      "negativeControl": true
    }
  ],
  "unmeasured": [
    {
      "transformation": "real-smartphone-photo",
      "reason": "Requires an actual photograph; no simulated result is substituted."
    },
    {
      "transformation": "screenshot-ocr-recreation",
      "reason": "No OCR engine run. Pixel recreation from the source is a separate negative control."
    }
  ]
}