{
  "title": "Carpet manufacturing data for AI tuft and lot evidence",
  "source_page": "https://fiund.com/industries/carpet-tuft-lot-inspection-data",
  "authorship": "Original fictional Fiund editorial exercise. No actual operating records or third-party source assets are included.",
  "example": {
    "title": "A rug sample with a cut-edge blind spot",
    "context": "An original tuft-pattern swatch is photographed before and after trimming. The fictional quality index assigns each report to an individual swatch.",
    "records": [
      [
        "C1",
        "Roll ledger",
        "Roll R06 yielded swatches R06-A and R06-B from separate positions."
      ],
      [
        "C2",
        "Full-width view",
        "R06-A has a three-tuft gap next to its right selvage."
      ],
      [
        "C3",
        "Trimmed image",
        "R06-A close crop ends before the right selvage."
      ],
      [
        "C4",
        "Test index",
        "Report Q3 covers R06-B only; its photograph has uninterrupted rows."
      ]
    ],
    "question": "Can the trimmed image or Q3 overturn the visible gap label for R06-A?",
    "answer": "No. The gap label is supported for R06-A by the full-width view C2. The trimmed frame C3 omits the labeled region; it is not contrary evidence. C1 and C4 identify Q3 as evidence for another swatch, even though it shares a roll.",
    "failureModes": [
      "Transferring the clean label from R06-B to R06-A",
      "Labeling an invisible selvage as free of gaps"
    ],
    "fields": [
      [
        "swatch_position",
        "Distinguishes samples from one roll"
      ],
      [
        "selvage_visible",
        "Gates edge-region judgments by crop"
      ],
      [
        "tuft_run",
        "Marks the span of the visible interruption"
      ]
    ],
    "holdout": "Hide a missing tuft under directional pile in one view, reveal it in a second, and require an image-specific visibility label.",
    "boundary": "Use handmade patterns and inert swatches; exclude proprietary weave plans and customer test certificates."
  }
}