{
  "title": "Powder metallurgy data for AI stage and specimen records",
  "source_page": "https://fiund.com/industries/powder-metal-part-stage-dimensions-data",
  "authorship": "Original fictional Fiund editorial exercise. No actual operating records or third-party source assets are included.",
  "example": {
    "title": "Record the dimensional change across stages",
    "context": "Paper profiles represent an invented compact and finished part. Measurements are fabricated and not manufacturing guidance.",
    "records": [
      [
        "1",
        "Traveler",
        "Part Q8 same specimen before and after."
      ],
      [
        "2",
        "Compact record",
        "Reference span 25.0 mm."
      ],
      [
        "3",
        "Finished record",
        "Same datum and span 24.5 mm; target tolerance unavailable."
      ]
    ],
    "question": "What normalized change follows from the readings?",
    "answer": "The span decreases by 0.5 mm, or 2% of the initial 25.0 mm, using records 2 and 3 on the same Q8 from record 1. Label this observed stage-to-stage change without claiming a cause or deciding whether the part conforms.",
    "failureModes": [
      "Using final length as the percent-change denominator",
      "Comparing a different datum or specimen"
    ],
    "fields": [
      [
        "part_id",
        "Ensures the observations pair"
      ],
      [
        "stage",
        "Defines before and after"
      ],
      [
        "datum_span",
        "Keeps the compared feature consistent"
      ]
    ],
    "holdout": "Supply a final value from a new datum; require a documented transform before calculating change.",
    "boundary": "No actual powder composition, process instructions, tolerances or strength statements."
  }
}