{
  "title": "Nuclear reactor public status snapshots for AI evaluation",
  "source_page": "https://fiund.com/industries/nuclear-public-status-snapshot-data",
  "authorship": "Original fictional Fiund editorial exercise. No actual operating records or third-party source assets are included.",
  "example": {
    "title": "Preserve the publication time of a fictional status snapshot",
    "context": "Two invented unit aliases and dated paper reports test what an archive supports. The example contains no actual facility status, security information or operational explanation.",
    "records": [
      [
        "SNAP-N1",
        "Day-1 publication",
        "At day 1, 09:00, the report records Alpha as practice status A."
      ],
      [
        "SNAP-N2",
        "Day-2 publication",
        "At day 2, 09:00, only Beta has an entry. Alpha is absent from the supplied report."
      ],
      [
        "CORRECT-N3",
        "Day-3 correction",
        "A day-3 publication corrects Alpha's day-1 entry to practice status B. It provides no day-2 Alpha observation."
      ]
    ],
    "question": "What Alpha information was supplied by noon on day 2? What does the later correction change, and what remains unreported?",
    "answer": "By the earlier cutoff, the supplied Alpha entry is N1's day-1 status A. N2 does not supply a day-2 Alpha observation. N3 later corrects the historical day-1 entry to B, but it was not available at the day-2 cutoff and does not establish Alpha's day-2 state. Keep observation date, publication date and correction scope separate.",
    "failureModes": [
      "Using a later publication as information available at an earlier cutoff.",
      "Filling an unreported unit interval from another unit's entry.",
      "Interpreting a historical correction as a new current status."
    ],
    "fields": [
      [
        "Unit identity",
        "Keep Alpha and Beta entries separate."
      ],
      [
        "Observation and publication dates",
        "Preserve what was observed and when it became available."
      ],
      [
        "Correction reference",
        "Identify the historical entry that is changed."
      ]
    ],
    "holdout": "Supply a genuine day-2 Alpha observation in a new fictional report. The model should distinguish that observation from a correction to day 1.",
    "boundary": "Only fictional or cleared public documents belong in the exercise. Include no internal records, staff details, access information, unpublished operations or control decisions."
  }
}