{
  "title": "Nonferrous rolling and drawing data for AI condition records",
  "source_page": "https://fiund.com/industries/nonferrous-drawn-bar-condition-data",
  "authorship": "Original fictional Fiund editorial exercise. No actual operating records or third-party source assets are included.",
  "example": {
    "title": "Trace source stock without copying its condition",
    "context": "Fictional bar IDs and an invented drawing traveler keep material lineage separate from finished condition.",
    "records": [
      [
        "1",
        "Source ticket",
        "Stock S3, alloy family F, input condition X."
      ],
      [
        "2",
        "Traveler",
        "Bars D3a and D3b made from S3; D3a final condition Y, D3b blank."
      ],
      [
        "3",
        "Order",
        "Requests family F and documented final Y."
      ]
    ],
    "question": "Which bar has both requested fields supported?",
    "answer": "D3a does: its lineage leads to F in record 1 and its own final Y is explicit in record 2. D3b has the same source family but no final condition record. The input X cannot be carried into either final-condition field without evidence.",
    "failureModes": [
      "Using source condition as final condition",
      "Propagating D3a's result to its sibling"
    ],
    "fields": [
      [
        "source_stock_id",
        "Maintains input identity"
      ],
      [
        "finished_bar_id",
        "Separates child records"
      ],
      [
        "final_condition",
        "Requires bar-specific evidence"
      ]
    ],
    "holdout": "Give a common final-condition batch record explicitly listing both bars; join only listed members.",
    "boundary": "No real alloy tolerances, drawing schedules, properties or customer purchase details."
  }
}