{
  "title": "Mechanical transmission data for AI coupling and view checks",
  "source_page": "https://fiund.com/industries/transmission-coupling-keyway-view-data",
  "authorship": "Original fictional Fiund editorial exercise. No actual operating records or third-party source assets are included.",
  "example": {
    "title": "Keyway positions need a shared viewing end",
    "context": "Original paper coupling halves carry neutral notches and marked ends. No real alignment or assembly instructions are included.",
    "records": [
      [
        "1",
        "Drawing",
        "Viewed from mark X, notch A at 3 o'clock, notch B at 9."
      ],
      [
        "2",
        "Photo 1",
        "A photographed from mark X at 3."
      ],
      [
        "3",
        "Photo 2",
        "B photographed from opposite end at image 3."
      ]
    ],
    "question": "Is photo 2 necessarily inconsistent with B's drawing location?",
    "answer": "No. From the opposite end the view reverses left and right, so B at image 3 corresponds to 9 from X. Records 1 and 3 are compatible under that transform. Record 2 separately corroborates A from the defined end.",
    "failureModes": [
      "Comparing clock positions from opposite ends without transforming",
      "Treating identical image positions as identical assembly positions"
    ],
    "fields": [
      [
        "viewed_end",
        "Selects the orientation transform"
      ],
      [
        "notch_id",
        "Keeps features distinct"
      ],
      [
        "reference_clock",
        "Stores comparable positions"
      ]
    ],
    "holdout": "Make the opposite-end image also mirrored digitally and document both transformations before interpreting it.",
    "boundary": "No actual coupling dimensions, torque or fit advice, installation, or equipment design."
  }
}