{
  "title": "Polystyrene foam data for AI cavity and insert checks",
  "source_page": "https://fiund.com/industries/polystyrene-foam-cavity-insert-data",
  "authorship": "Original fictional Fiund editorial exercise. No actual operating records or third-party source assets are included.",
  "example": {
    "title": "An insert change applies to only one cavity",
    "context": "An invented foam tray is represented by flat silhouettes with colored notches.",
    "records": [
      [
        "1",
        "Cavity register",
        "Cavity A changes from notch X to Y at cycle 50; B remains X."
      ],
      [
        "2",
        "Packing card",
        "Sample S from B, cycle 55; expected notch field says Y."
      ],
      [
        "3",
        "Image",
        "S has a visible X notch."
      ]
    ],
    "question": "Should the image or the packing reference be flagged?",
    "answer": "Flag the packing reference in record 2. Record 1 says the revision applied to A, while S came from B and shows the expected X in record 3. A later cycle does not extend a cavity-specific change to other cavities.",
    "failureModes": [
      "Applying all tooling changes across all cavities",
      "Flagging correct geometry against an inapplicable reference"
    ],
    "fields": [
      [
        "cavity_scope",
        "Identifies which cavity changed"
      ],
      [
        "insert_effectivity",
        "Sets the cycle boundary within that scope"
      ],
      [
        "visible_notch",
        "Supports independent comparison"
      ]
    ],
    "holdout": "Remove the cavity ID and use geometry common to old A and current B; require unresolved origin.",
    "boundary": "No mold process parameters, product qualification or actual production drawings."
  }
}