{
  "caseId": "printer",
  "reviewedAt": "2026-11-02T04:43:16.640Z",
  "originalVideoSha256": "7e0890816b17cc954863469eba96d86feaa47b4178f73607795f4987daa85a37",
  "technical": {
    "durationSeconds": 108,
    "width": 1920,
    "height": 1080,
    "fps": 30,
    "frames": "3240",
    "checks": {
      "durationWithinFrozenRange": true,
      "fullVideoAudioDecode": true,
      "dimensions": true,
      "frameRate": true,
      "motionObservedInSamples": true,
      "audioTrack": true,
      "audioSignalDetected": true
    }
  },
  "sessionStop": "error_max_turns after 50 API requests; video and source exist",
  "content": {
    "materialDistinction": "Liquid ink versus powder toner clearly distinguished.",
    "laserPath": "Laser is shown directed at the drum rather than paper.",
    "contradiction": "50s: illuminated areas lose charge; 58s: toner only lands on charged areas. This is internally inconsistent and not the exposed-area development illustrated by the Canon reference.",
    "fixingDiagram": "Heat and pressure are named, but separated horizontal rollers do not clearly form an opposing nip on paper.",
    "listening": "not-performed",
    "cueByCueAudioValidation": "not-independently-performed"
  },
  "publicTranscode": {
    "originalSha256": "7e0890816b17cc954863469eba96d86feaa47b4178f73607795f4987daa85a37",
    "sha256": "35368ad28b427a5483afffbd12da6f28909ffc8d484b57f870b2dcbf77e686dc",
    "originalBytes": 541505265,
    "publicBytes": 41864994,
    "audioPacketsUnchanged": true,
    "samples": [
      {
        "timeSeconds": 4,
        "ssim": 0.93507
      },
      {
        "timeSeconds": 24,
        "ssim": 0.938768
      },
      {
        "timeSeconds": 48,
        "ssim": 0.933779
      },
      {
        "timeSeconds": 70,
        "ssim": 0.937105
      },
      {
        "timeSeconds": 84,
        "ssim": 0.94361
      },
      {
        "timeSeconds": 104,
        "ssim": 0.94168
      }
    ]
  },
  "reference": "https://global.canon/en/technology/s_labo/light/003/07.html"
}