{
  "title": "Solar generation and irradiance alignment data for AI",
  "source_page": "https://fiund.com/industries/solar-generation-irradiance-alignment-data",
  "authorship": "Original fictional Fiund editorial exercise. No actual operating records or third-party source assets are included.",
  "example": {
    "title": "Align an artificial fast clock without filling missing power",
    "context": "Fictional power and irradiance labels illustrate timing and missingness. No site performance, equipment configuration or actual measurement is represented.",
    "records": [
      [
        "CLOCK-S1",
        "Practice clock note",
        "The irradiance logger reads five minutes fast relative to the UTC reference used by the power series."
      ],
      [
        "POWER-S2",
        "Artificial power series",
        "At reference 13:05, the recorded value is zero. The 13:10 observation is missing."
      ],
      [
        "IRRAD-S3",
        "Artificial irradiance series",
        "Logger times 13:10 and 13:15 both contain recorded values. The note states no other correction."
      ]
    ],
    "question": "Which irradiance timestamp aligns with the known zero, and can the missing power observation be recovered from this packet?",
    "answer": "Subtract five minutes from the irradiance logger's time under CLOCK-S1. Its 13:10 observation aligns with reference 13:05, where power is a recorded zero. Its 13:15 observation aligns with reference 13:10, where power is missing. An irradiance value does not supply the absent power reading. Preserve the known zero and the missing observation as different states.",
    "failureModes": [
      "Adding the clock offset in the wrong direction.",
      "Replacing a missing power observation with zero.",
      "Inventing a power value from a different measured quantity."
    ],
    "fields": [
      [
        "Clock reference and offset",
        "Document which clock is fast and the direction of correction."
      ],
      [
        "Observation presence",
        "Distinguish a recorded value from an absent measurement."
      ],
      [
        "Quantity identity",
        "Keep power and irradiance as separate series."
      ]
    ],
    "holdout": "Change the note to a logger that reads five minutes slow. Alignment should reverse without changing the missingness rule.",
    "boundary": "The traces and offset are invented. Exclude layouts, access details, precise locations and private generation records. The answer makes no equipment diagnosis."
  }
}