{"id":"2f895213-aaf8-4562-b23f-21245f685755","anomaly_type":"duplicate_payment","severity":"medium","confidence_score":"0.8500","title":"Two near-identical contracts to Smith Contractors within 0 day(s) ($14,534,226 ≈ $14,597,578)","description":"Two contracts to Smith Contractors of essentially the same amount ($14,534,225.81 on 2014-04-22 and $14,597,577.56 on 2014-04-22, departments Unknown / Unknown) appear within 0 day(s). The pattern can indicate a duplicate award, a two-installment payment correctly entered as two records, or a legitimate same-week renewal. Warrants review against the underlying contract documents. Tier 2: vendor-named observation.","fiscal_year":null,"review_status":"auto","review_tier":2,"evidence":{"date_a":"2014-04-22","date_b":"2014-04-22","vendor":"Smith Contractors","amount_a":14534225.81,"amount_b":14597577.56,"days_apart":0,"content_hash":"7a7e620f24a2ed401f4e231c6668e5772aa2581d1c6c9299d85c4a8a541fa95b","contract_ids":["646737e5-f7f7-47f8-ad5d-f76da445c195","b075a4da-8d11-4209-814b-1e0696c0a753"],"department_a":"Unknown","department_b":"Unknown"},"published":true,"created_at":"2026-05-27T12:10:42.038739Z","related_entity_type":null,"related_entity_id":null,"reviewed_by":null,"reviewed_at":null,"reviewer_notes":null,"source_document_ids":null}