{
  "title": "Footwear manufacturing data for AI component pairing",
  "source_page": "https://fiund.com/industries/footwear-upper-sole-pairing-data",
  "authorship": "Original fictional Fiund editorial exercise. No actual operating records or third-party source assets are included.",
  "example": {
    "title": "Pair components by foot and size system",
    "context": "Paper silhouettes represent a fictional shoe upper and soles. Style identifiers and fit mapping are invented.",
    "records": [
      [
        "F1",
        "Upper tag",
        "Style Wave, left, size 8 in scale U."
      ],
      [
        "F2",
        "Size matrix",
        "For Wave, U8 maps to molded sole size M41."
      ],
      [
        "F3",
        "Sole tray",
        "Item P: Wave left M41. Item Q: Wave right M41. Item R: Crest left M41."
      ],
      [
        "F4",
        "Request",
        "Identify the candidate sole using all three matching keys."
      ]
    ],
    "question": "Which sole candidate belongs with the upper?",
    "answer": "Choose P from F3. It matches the Wave style and left foot on F1, and its M41 marking matches U8 through the style-specific mapping in F2. Q is the opposite foot and R belongs to another style despite the shared number.",
    "failureModes": [
      "Matching numerical sizes across incompatible scales",
      "Treating the right part as equivalent after mirroring the photo"
    ],
    "fields": [
      [
        "size_system",
        "Prevents direct comparison of unrelated size codes"
      ],
      [
        "foot",
        "Preserves left and right through mirrored views"
      ],
      [
        "style_family",
        "Limits the mapping table to its valid family"
      ]
    ],
    "holdout": "Use a style whose U8 maps to another molded size and include a valid left sole for each style.",
    "boundary": "Use owned paper silhouettes; omit real lasts, suppliers, trademarks and fit claims."
  }
}