{
  "title": "Electrical test instrument data for AI probe and channel records",
  "source_page": "https://fiund.com/industries/electrical-test-instrument-probe-context-data",
  "authorship": "Original fictional Fiund editorial exercise. No actual operating records or third-party source assets are included.",
  "example": {
    "title": "An instrument observation inherits its attached probe context",
    "context": "Invented instrument and probe IDs support a comparability exercise. Values are arbitrary and nonoperational.",
    "records": [
      [
        "1",
        "Request",
        "Compare instrument M3 using probe P2 and method Z."
      ],
      [
        "2",
        "Observation 1",
        "M3/P2, method Z, index 12."
      ],
      [
        "3",
        "Observation 2",
        "M3/P4, method Z, index 15; no cross-probe conversion given."
      ]
    ],
    "question": "Which observation matches and what can be compared?",
    "answer": "Observation 1 is the exact match to record 1. Observation 2 can be stored for P4 but cannot be used to infer a P2 change because record 3 supplies no conversion or equivalent-probe evidence. Keep method and probe identity separate.",
    "failureModes": [
      "Ignoring the probe after matching instrument and method",
      "Inventing a cross-probe conversion"
    ],
    "fields": [
      [
        "instrument_serial",
        "Identifies the base unit"
      ],
      [
        "probe_id",
        "Scopes the capture context"
      ],
      [
        "method_key",
        "Preserves the comparison basis"
      ]
    ],
    "holdout": "Use a documented probe swap between two observations with the same file name; match each timestamp to its installed probe.",
    "boundary": "No actual electrical readings, energized testing instructions, calibration procedures or safety claims."
  }
}