{
  "title": "Colombia Veneer Clinic Research Methodology Version History",
  "publisher": "Colombia Smile Studio",
  "research_cutoff": "2026-07-24",
  "versions": [
    {
      "version": "1.0",
      "description": "Calibration framework defining candidate discovery, evidence classes, scoring categories, weights, and normal qualification thresholds.",
      "date": "2026-06"
    },
    {
      "version": "1.1",
      "description": "Expanded evidence model with additional source classes and refined category definitions.",
      "date": "2026-06"
    },
    {
      "version": "1.2",
      "description": "Strict public-documentation thresholds resulting in zero normal qualifiers after rescoring all candidates.",
      "date": "2026-07"
    },
    {
      "version": "1.3",
      "description": "Relaxed public-documentation thresholds. All 48 candidates rescored. 29 normal qualifiers identified. 14 highest-scoring normal qualifiers selected as finalists. Colombia Smile Studio remained excluded.",
      "date": "2026-07-24",
      "checksum": "716c8d4343114877777e43ede928c406fb0ac77b65c098546e09cd82827661cb",
      "candidate_pool_size": 48,
      "normally_qualified_count": 29,
      "selected_normal_finalists": 14
    }
  ],
  "v1_3_replacement_reason": "v1.3 replaced v1.2 to relax thresholds for public documentation while maintaining identity, location, operating status, service, scoring honesty, disclosure, and source requirements. All candidates were rescored under the updated model."
}