{
  "title": "Folding carton crease data for AI visual checks",
  "source_page": "https://fiund.com/industries/folding-carton-crease-data",
  "authorship": "Original fictional Fiund editorial exercise. No actual operating records or third-party source assets are included.",
  "example": {
    "title": "Printed flecks and a crack at the fold",
    "context": "The contributor draws original dots on a paper carton. Light-angle changes make a staged surface break easier to identify.",
    "records": [
      [
        "C1",
        "Flat proof",
        "Deliberate white flecks repeat at equal spacing on both sides of fold F1."
      ],
      [
        "C2",
        "Folded view under side light",
        "Continuous irregular white line tracks F1 across four fleck intervals."
      ],
      [
        "C3",
        "Face-on frame",
        "The repeat flecks remain visible; fold line largely disappears."
      ],
      [
        "C4",
        "Scope",
        "Record visible features only."
      ]
    ],
    "question": "Which marks should be labeled as artwork and which as an observed crease feature?",
    "answer": "Label the spaced flecks as artwork using C1 and C3. C2 shows an additional continuous irregular line coincident with F1 and absent from the flat proof. Record that visible crease feature along with its side-light view; do not infer a cause or grade.",
    "failureModes": [
      "Flagging all white ink details as damage",
      "Calling a face-on frame negative evidence when the relevant feature is angle-dependent"
    ],
    "fields": [
      [
        "fold_id",
        "Locates the observed line"
      ],
      [
        "proof_match",
        "Disambiguates intended artwork"
      ],
      [
        "view_light",
        "Documents the conditions under which the feature is visible"
      ]
    ],
    "holdout": "Use an intentional white rule on the fold plus a discontinuity outside it, requiring separate artwork and surface labels.",
    "boundary": "Use owned art and inert paper; exclude customer dielines, artwork and actual rejection rules."
  }
}