{
  "title": "Iron ore grade-basis records for AI evaluation",
  "source_page": "https://fiund.com/industries/iron-ore-grade-basis-data",
  "authorship": "Original fictional Fiund editorial exercise. No actual operating records or third-party source assets are included.",
  "example": {
    "title": "Material identity and reporting basis must both survive an assay join",
    "context": "The invented packet contains an ore specimen, a concentrate specimen and a corrected sample association. No actual grade, processing relationship or ore valuation is represented.",
    "records": [
      [
        "IO1",
        "Practice assay report O-1",
        "Specimen X: material ore; field F=24 percent; reporting basis unspecified."
      ],
      [
        "IO2",
        "Practice assay report C-1",
        "Specimen Y: material concentrate; F=61 percent; basis dry."
      ],
      [
        "IO3",
        "Association correction",
        "O-1's specimen identifier is X2, replacing X. The correction changes no value, material label or reporting basis."
      ]
    ],
    "question": "What does the correction establish, and is a direct grade comparison or enrichment calculation supported between X2 and Y?",
    "answer": "IO3 changes O-1's specimen association to X2 while retaining its ore label, 24 percent value and unspecified basis. IO2 concerns a concentrate on a dry basis. The packet supplies neither a common basis nor a documented feed-to-product relationship. A direct like-for-like grade comparison or enrichment calculation would therefore add assumptions beyond the records.",
    "failureModes": [
      "Treating a sample-identifier correction as a newly measured assay.",
      "Calculating a processing improvement from ore and concentrate values with unmatched basis and no process lineage."
    ],
    "fields": [
      [
        "Material class",
        "Separates an ore specimen from a concentrate specimen."
      ],
      [
        "Reporting basis",
        "Retains the missing basis rather than silently assuming dry mass."
      ],
      [
        "Corrected identifier and prior alias",
        "Maintains traceability through the association change."
      ],
      [
        "Feed-to-product relationship status",
        "Makes a missing processing link explicit."
      ]
    ],
    "holdout": "Give X2 a verified dry-basis statement but no connection to Y. The model may resolve comparability of the stated measure while still declining to claim that Y was produced from X2.",
    "boundary": "Keep actual grades, reserves, product specifications, locations, contracts and processing information private. All records here are independently authored fiction."
  }
}