{
  "title": "Iron and steel casting inspection data for AI",
  "source_page": "https://fiund.com/industries/ferrous-casting-inspection-data",
  "authorship": "Original fictional Fiund editorial exercise. No actual operating records or third-party source assets are included.",
  "example": {
    "title": "Surface evidence stops at the surface",
    "context": "A paper casting sketch has named regions and original photos. A fictional report index contains an entry for a different region.",
    "records": [
      [
        "1",
        "Zone map",
        "Casting C4 rim R and web W marked separately."
      ],
      [
        "2",
        "Photo",
        "Visible pit-like feature at R; W outside crop."
      ],
      [
        "3",
        "Report index",
        "Separate internal inspection entry references W only."
      ]
    ],
    "question": "What label can be supported for R?",
    "answer": "Annotate a visible pit-like feature at rim R from records 1 and 2. The internal inspection entry in record 3 concerns web W, so it cannot characterize the rim beneath the surface. Keep the visual description separate from depth, cause and disposition.",
    "failureModes": [
      "Inferring subsurface extent from appearance",
      "Borrowing a web-region method result for the rim"
    ],
    "fields": [
      [
        "casting_region",
        "Pins the observation to a zone"
      ],
      [
        "evidence_method",
        "Distinguishes surface and internal evidence"
      ],
      [
        "observation_scope",
        "Records what remains unknown"
      ]
    ],
    "holdout": "Use a rim report for a different casting from the same run and require specimen-level matching.",
    "boundary": "Use only owned images; omit actual foundry records, operating parameters and disposition authority."
  }
}