{
  "title": "Industrial valve data for AI port and configuration records",
  "source_page": "https://fiund.com/industries/industrial-valve-port-reference-record-data",
  "authorship": "Original fictional Fiund editorial exercise. No actual operating records or third-party source assets are included.",
  "example": {
    "title": "A port label moves on screen when the prop rotates",
    "context": "A paper body has three labeled ports. No flow direction, connection instructions or operating details are represented.",
    "records": [
      [
        "1",
        "Drawing",
        "With triangle up, left port A, right B, lower branch C."
      ],
      [
        "2",
        "Photo",
        "Triangle points down after a 180° rotation; legible B on image-left."
      ],
      [
        "3",
        "Draft label",
        "Image-left labeled A solely by screen position."
      ]
    ],
    "question": "What is the correct label for the visible left port?",
    "answer": "The visible left port is B. Record 2 shows its label directly, and a 180° rotation of record 1 moves original right port B to image-left. Record 3 incorrectly ignores the locator orientation. This comparison says nothing about port function.",
    "failureModes": [
      "Using screen position after the reference frame rotates",
      "Inferring operational flow from label placement"
    ],
    "fields": [
      [
        "body_orientation",
        "Records the locator rotation"
      ],
      [
        "port_mark",
        "Captures direct identifier evidence"
      ],
      [
        "drawing_frame_position",
        "Maps the view back to source coordinates"
      ]
    ],
    "holdout": "Use a partial rotation with the B tag hidden and score only the ports whose location can be resolved from markers.",
    "boundary": "No real valve internals, connections, flow specifications, operating or maintenance guidance."
  }
}