{
  "title": "Cutting tool data for AI holder and insert matching",
  "source_page": "https://fiund.com/industries/cutting-tool-holder-insert-identity-data",
  "authorship": "Original fictional Fiund editorial exercise. No actual operating records or third-party source assets are included.",
  "example": {
    "title": "The two part IDs are valid separately but not listed together",
    "context": "Original paper holder and insert shapes use a toy combination table.",
    "records": [
      [
        "1",
        "Toy drawing",
        "Holder H1 accepts insert I2 in this exercise; H2 accepts I3."
      ],
      [
        "2",
        "Bench ticket",
        "H1 and I3 selected."
      ],
      [
        "3",
        "Image",
        "H1 marker visible; I3 stamped on the paper insert."
      ]
    ],
    "question": "What should the reviewer report?",
    "answer": "Both parts are individually identified under records 2 and 3, but the pair H1/I3 is absent from record 1's combination table. Flag the pair mismatch; don't replace either observed identifier. The toy record does not establish actual physical or machining compatibility.",
    "failureModes": [
      "Checking each part exists but ignoring permitted pairs",
      "Inferring a valid pairing from a similar silhouette"
    ],
    "fields": [
      [
        "holder_id",
        "Identifies one side of the relationship"
      ],
      [
        "insert_id",
        "Identifies the other side"
      ],
      [
        "combination_scope",
        "Requires the specified pair in the reference"
      ]
    ],
    "holdout": "Add a table revision that covers H1/I3 for one model only; compare against the correct model.",
    "boundary": "No actual inserts, tooling specifications, cutting methods or machine operation."
  }
}