{
  "title": "Oilfield equipment data for AI certificate and assembly scope",
  "source_page": "https://fiund.com/industries/oilfield-equipment-certificate-scope-data",
  "authorship": "Original fictional Fiund editorial exercise. No actual operating records or third-party source assets are included.",
  "example": {
    "title": "Evidence for one assembly item stays with that item",
    "context": "Paper boxes represent fictional oilfield components; no wells, processes, pressures or operating data appear.",
    "records": [
      [
        "1",
        "Unit map",
        "U6 contains component V1 and joint module J4."
      ],
      [
        "2",
        "Document index",
        "C9 covers V1 only; C10 covers J4 variant J4-B."
      ],
      [
        "3",
        "Build record",
        "U6 contains V1 and installed J4-A."
      ]
    ],
    "question": "What evidence is applicable to the recorded build?",
    "answer": "C9 names the installed V1 and can be linked at that component scope. C10 does not match J4-A, because record 2 limits it to J4-B. Records 1–3 supply no evidence about U6 as a whole, so neither component entry should be presented as unit coverage.",
    "failureModes": [
      "Promoting a component document to whole-unit coverage",
      "Ignoring the joint module suffix"
    ],
    "fields": [
      [
        "build_serial",
        "Pins the completed unit"
      ],
      [
        "component_variant",
        "Compares installed and documented parts"
      ],
      [
        "evidence_scope",
        "Preserves component versus assembly coverage"
      ]
    ],
    "holdout": "Add a unit-level summary that references certificates for one configuration; require matching its actual installed parts.",
    "boundary": "No actual well or equipment specs, pressure control information, procedures, compliance or customer records."
  }
}