{
  "title": "Paint and coating data for AI drawdown evidence",
  "source_page": "https://fiund.com/industries/coating-drawdown-substrate-version-data",
  "authorship": "Original fictional Fiund editorial exercise. No actual operating records or third-party source assets are included.",
  "example": {
    "title": "Keep the substrate fixed when comparing cards",
    "context": "The contributor draws inert color panels. Mock formula references are labels only.",
    "records": [
      [
        "1",
        "Reference register",
        "Target comparison is formula F2 on substrate S1."
      ],
      [
        "2",
        "Card A",
        "F2 on S2; no substrate correction record."
      ],
      [
        "3",
        "Card B",
        "F2 on S1; same capture setup as target."
      ]
    ],
    "question": "Which card answers the requested comparison?",
    "answer": "Use B as the matched-condition comparison because record 3 agrees with both fields in record 1. A shares F2 but uses another substrate under record 2. Its appearance may be recorded for S2, but it cannot fill the S1 comparison slot.",
    "failureModes": [
      "Treating formula ID as the only comparison key",
      "Attributing substrate-driven appearance solely to formula"
    ],
    "fields": [
      [
        "substrate_id",
        "Determines matching surface context"
      ],
      [
        "formula_reference",
        "Identifies version without exposing composition"
      ],
      [
        "capture_setup",
        "Keeps viewing conditions explicit"
      ]
    ],
    "holdout": "Give both cards on S1 but with different capture lighting; require a matching target image before quantitative comparison.",
    "boundary": "Use original color drawings only; no formula composition, application instructions or client tolerances."
  }
}