{
  "title": "Fabricated pipe data for AI spool and end-map review",
  "source_page": "https://fiund.com/industries/fabricated-pipe-spool-end-map-data",
  "authorship": "Original fictional Fiund editorial exercise. No actual operating records or third-party source assets are included.",
  "example": {
    "title": "An end stays the same after turning the drawing",
    "context": "A paper spool sketch uses a triangle locator and ordered letters, not actual engineering dimensions.",
    "records": [
      [
        "1",
        "End map",
        "From triangle, end A nearest; B lies at branch; C farthest on main line."
      ],
      [
        "2",
        "Photo",
        "Triangle visible at image right; branch-end tag hidden; far main end stamped C."
      ],
      [
        "3",
        "Draft",
        "Labels the right main end C because a reference image showed C on the right."
      ]
    ],
    "question": "How should the right main end and hidden branch be annotated?",
    "answer": "Use the triangle-relative map rather than image side: the near right main end is expected A under records 1 and 2, and the far end has visible C. The hidden branch is expected B by geometry but its physical tag remains unverified.",
    "failureModes": [
      "Using screen-right as part identity",
      "Treating expected map location as a readable stamped identifier"
    ],
    "fields": [
      [
        "anchor_marker",
        "Orients the assembly independently of camera"
      ],
      [
        "expected_end_id",
        "Records the mapped end"
      ],
      [
        "observed_tag",
        "Separates physical mark visibility"
      ]
    ],
    "holdout": "Flip a mirrored image with a reversed legend; require identifying the transformation before mapping ends.",
    "boundary": "No spool fabrication instructions, plant diagrams, pressure ratings or actual dimensions."
  }
}