{
  "title": "Plastic bottle neck-finish data for testing AI inspection",
  "source_page": "https://fiund.com/industries/plastic-bottle-finish-inspection-data",
  "authorship": "Original fictional Fiund editorial exercise. No actual operating records or third-party source assets are included.",
  "example": {
    "title": "A neck feature and a sidewall blemish use different evidence",
    "context": "An original bottle drawing supplies separate views and invented neck readings. The exercise does not infer closure compatibility.",
    "records": [
      [
        "1",
        "Neck record",
        "Sample B4 diameter reading 28.2 mm at marked neck plane."
      ],
      [
        "2",
        "Rotated side image",
        "B4 shows a scuff below the shoulder; finish plane partly hidden."
      ],
      [
        "3",
        "Request",
        "Provide observed finish dimension and cosmetic observation separately."
      ]
    ],
    "question": "How should the two observations be stored?",
    "answer": "Store 28.2 mm as the record 1 measurement at the marked neck plane and the scuff as a sidewall observation from record 2. The rotated image cannot replace the finish measurement, and neither item independently determines whether a closure fits or seals.",
    "failureModes": [
      "Recording a sidewall scuff as a measured finish deviation",
      "Measuring diameter from a cropped oblique view"
    ],
    "fields": [
      [
        "finish_plane",
        "Identifies the measurement location"
      ],
      [
        "view_orientation",
        "Controls what features are visible"
      ],
      [
        "cosmetic_region",
        "Keeps shoulder and sidewall findings distinct"
      ]
    ],
    "holdout": "Include a cap-obscured neck and a clear wall photo; allow the cosmetic label without a finish observation.",
    "boundary": "No commercial bottle drawings, actual fit tests, safety limits or packaging performance claims."
  }
}