{
  "title": "Reconstituted wood data for AI batch and test-basis matching",
  "source_page": "https://fiund.com/industries/composite-wood-lot-basis-data",
  "authorship": "Original fictional Fiund editorial exercise. No actual operating records or third-party source assets are included.",
  "example": {
    "title": "A sample map crossing the furnish transition",
    "context": "A fictional forming run uses numbered paper cards and inert chips. This exercise tracks sample provenance without a recipe.",
    "records": [
      [
        "C1",
        "Bin ledger",
        "Run R11 used bin A until position 40; positions 40 onward use bin B."
      ],
      [
        "C2",
        "Sample map",
        "Coupon X spans positions 36 to 44."
      ],
      [
        "C3",
        "Laboratory index",
        "Report J identifies X but does not split it into regions."
      ],
      [
        "C4",
        "Draft label",
        "X described as a bin B-only sample."
      ]
    ],
    "question": "What source basis belongs on X?",
    "answer": "Label X as spanning a transition. C1 and C2 put part of its extent before 40 and part after. C3 is indexed to the whole coupon and cannot provide bin B-only evidence; the label must retain both intervals and the boundary.",
    "failureModes": [
      "Assigning origin from the coupon's end position alone",
      "Treating an aggregate result as separately measured for both regions"
    ],
    "fields": [
      [
        "sample_interval",
        "Captures the full extent rather than its midpoint"
      ],
      [
        "furnish_transition",
        "Records where source identity changes"
      ],
      [
        "measurement_grain",
        "Shows whether the report can be split"
      ]
    ],
    "holdout": "Use a coupon ending exactly at the transition and define half-open intervals; require consistent inclusion rules.",
    "boundary": "No resin composition, operating settings, emissions or structural performance claims."
  }
}