{
  "title": "Nonferrous foundry data for AI casting and inspection evidence",
  "source_page": "https://fiund.com/industries/nonferrous-sand-casting-cavity-report-data",
  "authorship": "Original fictional Fiund editorial exercise. No actual operating records or third-party source assets are included.",
  "example": {
    "title": "A report inherited the wrong cavity tag",
    "context": "Paper castings use two invented cavity letters and a small locator shape.",
    "records": [
      [
        "1",
        "Traveler",
        "Piece A7 from cavity X; piece A8 from Y."
      ],
      [
        "2",
        "Drawing overlay",
        "A8 triangle marker corresponds to its Y variant."
      ],
      [
        "3",
        "Report header",
        "A8, cavity X; report image shows triangle marker."
      ]
    ],
    "question": "What conflict should be retained in the inspection record?",
    "answer": "The report's A8 identifier and triangle image agree with the piece in records 1 and 2, but its cavity X header conflicts with A8's Y association. Flag the header conflict; do not silently merge it with A7 or infer a real tooling issue.",
    "failureModes": [
      "Joining on the mistaken cavity alone",
      "Discarding a conflict once the image looks plausible"
    ],
    "fields": [
      [
        "piece_id",
        "Identifies the specimen directly"
      ],
      [
        "cavity_header",
        "Preserves the reported cavity field"
      ],
      [
        "locator_feature",
        "Provides independent image corroboration"
      ]
    ],
    "holdout": "Use a triangle shared by both variants and remove the traveler; require unresolved cavity origin.",
    "boundary": "No actual casting tooling, bronze composition, process conditions or acceptance rules."
  }
}