{
  "title": "Nonferrous casting porosity evidence for AI evaluation",
  "source_page": "https://fiund.com/industries/nonferrous-casting-porosity-data",
  "authorship": "Original fictional Fiund editorial exercise. No actual operating records or third-party source assets are included.",
  "example": {
    "title": "The surface-only view is a decoy for a section label",
    "context": "An original drawing and neutral mock records represent two observation methods for an inert coupon.",
    "records": [
      [
        "1",
        "Location map",
        "Specimen Q7 has zones J and K."
      ],
      [
        "2",
        "Section observation",
        "Q7/J contains a visible void in the staged section."
      ],
      [
        "3",
        "Exterior image",
        "Q7/K appears smooth in a surface-only view."
      ]
    ],
    "question": "Where and under which method is a void documented?",
    "answer": "Only Q7/J has a documented void under the section method in record 2. Record 3 observes the exterior at K, so it cannot disprove J's section finding or establish absence below K's surface. Preserve both region and method in the answer.",
    "failureModes": [
      "Using smooth exterior as a negative internal label",
      "Applying one zone's section observation to the whole specimen"
    ],
    "fields": [
      [
        "region_id",
        "Defines the inspected part of the casting"
      ],
      [
        "inspection_mode",
        "Controls supported inference depth"
      ],
      [
        "void_observation",
        "Stores a method-scoped finding"
      ]
    ],
    "holdout": "Provide a staged section for K after an exterior image; score both method-specific labels without overwriting history.",
    "boundary": "No actual foundry parameters, defect thresholds, metallurgical diagnoses or customer reports."
  }
}