{
  "title": "Mica product data for AI layer and cut-part review",
  "source_page": "https://fiund.com/industries/mica-cut-part-layer-reference-data",
  "authorship": "Original fictional Fiund editorial exercise. No actual operating records or third-party source assets are included.",
  "example": {
    "title": "A split line visible only from the edge",
    "context": "Colored paper layers stand in for an invented sheet mineral part. One photograph is face-on and another side-on.",
    "records": [
      [
        "1",
        "Layer diagram",
        "Part M8 layers counted from blue face; join between layers 2 and 3."
      ],
      [
        "2",
        "Side view",
        "Blue face visible, opening at boundary 2/3."
      ],
      [
        "3",
        "Face view",
        "Top surface intact; internal boundary not visible."
      ]
    ],
    "question": "What should the label say about the opening?",
    "answer": "Record an opening at boundary 2/3 from the blue face, supported by records 1 and 2. Record 3 describes an intact visible top surface and cannot disprove an internal observation. Keep separate view coverage and avoid assigning material cause or function.",
    "failureModes": [
      "Treating an intact top face as proof all layers are intact",
      "Counting from the unlabeled face"
    ],
    "fields": [
      [
        "layer_origin",
        "Fixes boundary numbering"
      ],
      [
        "boundary_pair",
        "Locates the observed separation"
      ],
      [
        "view_type",
        "Limits what face and edge views support"
      ]
    ],
    "holdout": "Reverse the side view but retain the blue marker; require the same boundary annotation.",
    "boundary": "No actual mica grades, electrical specifications, cutting methods or material qualification."
  }
}