{
  "title": "Brush and mop data for AI head-pattern records",
  "source_page": "https://fiund.com/industries/brush-mop-head-pattern-record-data",
  "authorship": "Original fictional Fiund editorial exercise. No actual operating records or third-party source assets are included.",
  "example": {
    "title": "Head length does not distinguish the fill pattern",
    "context": "An original paper mop head uses two strip patterns with the same outline.",
    "records": [
      [
        "1",
        "Part register",
        "Head H4-A has 3 long and 2 short strips; H4-B has 2 long and 3 short."
      ],
      [
        "2",
        "Order",
        "H4-A."
      ],
      [
        "3",
        "Photo",
        "Five strips visible, two long and three short; outer size matches both."
      ]
    ],
    "question": "What variant does the visible pattern support?",
    "answer": "The observed strip mix in record 3 supports H4-B under record 1. The five-strip count and shared outline do not distinguish the variants. Record 2 requests A, so flag a fill-pattern mismatch rather than a size or total-count discrepancy.",
    "failureModes": [
      "Using total count as the whole pattern",
      "Treating equal outline as variant equivalence"
    ],
    "fields": [
      [
        "strip_count_by_length",
        "Distinguishes the visible patterns"
      ],
      [
        "head_family",
        "Identifies the shared outline"
      ],
      [
        "ordered_variant",
        "Defines expected mix"
      ]
    ],
    "holdout": "Hide one strip behind another and require an incomplete pattern label rather than inferring missing count.",
    "boundary": "Original paper props only; no commercial brush specifications, cleaning efficacy or real customer orders."
  }
}