{
  "title": "Crushed limestone gradation records for AI review",
  "source_page": "https://fiund.com/industries/limestone-gradation-revision-data",
  "authorship": "Original fictional Fiund editorial exercise. No actual operating records or third-party source assets are included.",
  "example": {
    "title": "A corrected gradation sheet is not a second sample",
    "context": "An invented limestone record pack contains a single sampled lot, a corrected report and a delivery for another lot. Sieve labels and values are illustrative, with no acceptance threshold.",
    "records": [
      [
        "LG1",
        "Practice report revision 1",
        "Sample Q-6 from lot L-A reports 40% passing invented sieve S."
      ],
      [
        "LG2",
        "Authorized report revision 2",
        "Corrects Q-6 to 43% passing sieve S; same sample and lot; replaces revision 1."
      ],
      [
        "LG3",
        "Fictional delivery ticket",
        "Lot L-B delivered on the same date. No sample or gradation result for L-B is attached."
      ]
    ],
    "question": "What is the current reported value for L-A, how many sampled specimens are documented, and what can be reported for L-B?",
    "answer": "LG2 makes 43% the current reported value for sample Q-6 from L-A and explicitly supersedes LG1. The two revisions describe one documented specimen, not two independent samples. LG3 establishes a delivery record for L-B but supplies no sample relationship or gradation result for that lot. No value for L-B can be inferred from the shared date.",
    "failureModes": [
      "Averaging the superseded 40% with the corrected 43%.",
      "Treating L-B's delivery date as evidence that Q-6 sampled that lot too."
    ],
    "fields": [
      [
        "Sample-to-lot association",
        "Protects the material identity through report revisions."
      ],
      [
        "Supersession relation",
        "Makes the authoritative version explicit."
      ],
      [
        "Sieve label and reporting unit",
        "Keeps the measurement tied to its stated definition."
      ],
      [
        "Delivery versus sampling evidence",
        "Separates shipment status from quality observation."
      ]
    ],
    "holdout": "Introduce an amendment correcting the lot association but leaving the numerical result intact. Score whether the system changes the attribution without fabricating a new physical measurement.",
    "boundary": "Use invented lots and independently written reports. Exclude actual quarry data, buyer requirements and plant settings. The answer does not approve limestone for any project."
  }
}