{
  "caseId": "printer",
  "dateAsiaShanghai": "2026-10-27",
  "assessmentType": "AI evaluator qualitative observations plus separately linked executable checks; not independent human blind scoring",
  "status": "technical-pass-scientific-animation-needs-correction",
  "observations": {
    "status": "technical-pass-scientific-animation-needs-correction",
    "videoSha256": "d451ac82c8e2e9ab7f1f0de82d21150f203941ff9c1a960bfaf74fd571247f8a",
    "technicalEvidence": "qa/printer/media-checks.json",
    "observations": [
      "115.7s,1920x1080,30fps,3471 frames; full decode and25 SRT cue timing checks pass",
      "Hand-drawn visual treatment, readable Chinese and separate inkjet/laser explanations are present",
      "Main narration distinguishes ink droplets, toner, drum exposure, development, transfer and heat-pressure fixing"
    ],
    "confirmedIssue": {
      "type": "scientific-diagram-animation-error",
      "description": "At55.80s and58.50s the red exposure beam crosses the drawn drum interior to its far-side circumference, despite the narration stating surface-only drum exposure.",
      "evidence": [
        "qa/printer/exposure-55.80s.png",
        "qa/printer/exposure-58.50s.png",
        "qa/printer/exposure-crop-55.80s.png"
      ],
      "implication": "Do not treat the successful render as a factually ready teaching video; revise the beam path/occlusion before teaching or publication."
    },
    "notes": [
      "Scanning mirror is ambiguous terminology where the source refers to scanning lenses",
      "An earlier apparent text clipping issue was checked against original pixels and excluded as a tool-view display artifact"
    ],
    "verificationLimits": [
      "Audio track and level were checked technically; no independent human listening study",
      "Runtime and media specifications were evaluation additions; the original printer video's exact specifications were not public"
    ]
  },
  "technicalEvidence": {
    "caseId": "printer",
    "checkedAt": "2026-10-26T16:49:56.789785+00:00",
    "sourceVideo": "cases/printer/video.mp4",
    "videoSha256": "d451ac82c8e2e9ab7f1f0de82d21150f203941ff9c1a960bfaf74fd571247f8a",
    "immutableSnapshot": "qa/printer/video-d451ac82c8e2.mp4",
    "durationSeconds": 115.7,
    "width": 1920,
    "height": 1080,
    "fps": 30.0,
    "videoFrames": "3471",
    "audioStreams": [
      {
        "codec_name": "aac",
        "sample_rate": "48000",
        "channels": 2,
        "duration": "115.700000"
      }
    ],
    "srtCueCount": 25,
    "lastSrtEnd": 115.249,
    "technicalChecks": {
      "duration": true,
      "dimensions": true,
      "fps": true,
      "audioTrack": true,
      "fullDecode": true,
      "srtValidTimes": true
    },
    "allTechnicalChecksPass": true,
    "frames": [
      {
        "timeSeconds": 0.2,
        "path": "qa/printer/frames/00-0.200s.jpg",
        "sha256": "b13019470587f5f526432543b193a93c6d07a9c7e5efbc27bcf60ab07446778f"
      },
      {
        "timeSeconds": 12.856,
        "path": "qa/printer/frames/01-12.856s.jpg",
        "sha256": "177ca113338dec0ccee7ea19bb5333f94ac1f7a42ac881ec160306b55d1be2ab"
      },
      {
        "timeSeconds": 25.711,
        "path": "qa/printer/frames/02-25.711s.jpg",
        "sha256": "48429b091f9bbf378169ff93515861798bd8589e1046444731b5cefd89cde09d"
      },
      {
        "timeSeconds": 38.567,
        "path": "qa/printer/frames/03-38.567s.jpg",
        "sha256": "880a79be7ce9e372b901127d9a100e953bdfa8fec7eb4c7282a5ab562a459e57"
      },
      {
        "timeSeconds": 51.422,
        "path": "qa/printer/frames/04-51.422s.jpg",
        "sha256": "746d47a475b38036f756066c8856b26afaab39d42bb38cd0f31dc7b3416d60a2"
      },
      {
        "timeSeconds": 64.278,
        "path": "qa/printer/frames/05-64.278s.jpg",
        "sha256": "d27ffed8995fcd77054c107d54480ef74543f362a0f5e8af0e5910e0e8ddb117"
      },
      {
        "timeSeconds": 77.133,
        "path": "qa/printer/frames/06-77.133s.jpg",
        "sha256": "e9ad67dbf7defa83bfb1337ffc37bc82b7b9614b8f074d38d3eb2480df322cc0"
      },
      {
        "timeSeconds": 89.989,
        "path": "qa/printer/frames/07-89.989s.jpg",
        "sha256": "bdb8478136403b63f76b3c29c6897b670402d347ee50e5b34989ffb481adee57"
      },
      {
        "timeSeconds": 102.844,
        "path": "qa/printer/frames/08-102.844s.jpg",
        "sha256": "eea59d9a8eec66599b4ad3a709a3a380dd61430521016ca7384ecec95c64d99c"
      },
      {
        "timeSeconds": 115.5,
        "path": "qa/printer/frames/09-115.500s.jpg",
        "sha256": "e1d00ffc7890b696d80b00c6ad3c761862d8c375ddea116c18ca83c36b240041"
      }
    ],
    "contactSheets": [
      "qa/printer/contact-01.jpg",
      "qa/printer/contact-02.jpg",
      "qa/printer/contact-03.jpg"
    ],
    "visualAndFactualAssessment": "Separate evaluator observations required. Successful decode alone is not a content pass."
  },
  "requestEvidence": [
    "/evaluations/kimi-k3-1-pro-creative/printer/attempt-01.json"
  ],
  "originalInputSha256": "e306e9b72994388452b7673c223b45c7a99369796a5a0f71075f1e5fcf60aa87",
  "sourcePromptSha256": "ef251d6c101cd8017f2169ef06b68b5c3eff683b7eea98e1a858ebbc59d802be",
  "billing": {
    "basis": "Kimi Coding Plan subscription quota",
    "actualMonetaryCost": null
  },
  "reviewLimits": "AI qualitative observations plus executable checks; not independent human blind scoring or an exhaustive subjective listening study."
}