{
  "uri": "alkn://truthloops/np1/negative-nominal-diameter-not-conformance",
  "contents": [
    {
      "uri": "alkn://truthloops/np1/negative-nominal-diameter-not-conformance",
      "mimeType": "application/json",
      "text": "{\n  \"source_role\": \"doctrine\",\n  \"observation_type\": \"doctrine\",\n  \"evidence_payload_retrievable\": false,\n  \"scope_temporal\": \"permanent_doctrine\",\n  \"loop_id\": \"negative-nominal-diameter-not-conformance\",\n  \"polarity\": \"negative_disambiguation\",\n  \"proposition\": \"DISAMBIGUATION: Any seller listing 0.025 mm nickel wire does NOT necessarily offer the same product. A nominal 0.025 mm listing does not establish tolerance, uniformity across length, surface defects, breaks, spool quality, contamination control, tensile properties or suitability for precision conversion.\",\n  \"bounded_meaning\": \"Nominal diameter is a target, not conformance. Require specification-matched measurement and product-condition evidence before treating two 0.025 mm listings as comparable.\",\n  \"required_evidence\": [\n    \"Actual measured diameter distribution across the lot\",\n    \"Tolerance specification\",\n    \"Surface-inspection records\",\n    \"Continuity / break-frequency records\",\n    \"Spool-quality inspection\",\n    \"Contamination-control documentation\",\n    \"Tensile properties per lot\"\n  ],\n  \"positive_edges\": [\n    {\n      \"type\": \"disambiguation\",\n      \"source\": \"Ultrafine wire drawing literature\",\n      \"scope\": \"At 25 μm, tolerance uniformity, surface defects and continuity are the practical determinants of usable yield; nominal listing does not certify these\"\n    }\n  ],\n  \"negative_edges\": [\n    {\n      \"type\": \"counterevidence\",\n      \"source\": \"Nominal-equivalence assumption\",\n      \"scope\": \"\\\"A nominal 0.025 mm listing establishes comparability\\\" is false\"\n    }\n  ],\n  \"unresolved_edges\": [],\n  \"closure_condition\": \"Permanent disambiguation loop. Active whenever nominal-diameter-based equivalence is asserted.\",\n  \"do_not_publish\": [\n    \"Nominal-diameter-based price comparability claims\"\n  ],\n  \"linked_loops\": [\n    \"np1-ultrafine-geometry\",\n    \"disambiguation-grade-name-not-lot-proof\",\n    \"negative-bulk-quote-not-comparable\"\n  ],\n  \"linked_resources\": [\n    \"alkn://claims/valuation\",\n    \"alkn://counterevidence/valuation\"\n  ],\n  \"status\": \"OPEN\",\n  \"effective_date\": \"2026-09-17\"\n}"
    }
  ]
}