{"carrier":{"dot_number":"4391072","legal_name":"R & E DIAZ CONSTRUCTION LLC","dba_name":"","entity_type":"AUTHORIZED FOR HIRE","operating_status":"AUTHORIZED FOR HIRE","phy_street":"4353 S PENNSYLVANIA AVE","phy_city":"SAINT FRANCIS","phy_state":"WI","phy_zip":"53235","phy_country":"US","phone":"4145317366","mc_number":"MC-1735322","mc_number_2":"","mc_number_3":"","carrier_operation":"C","hm_indicator":"N","power_units":1,"total_drivers":2,"total_cdl":1,"mcs150_mileage":1,"mcs150_mileage_year":"2024","mcs150_date":"20250616 1622","add_date":"20250408","officer_1":"BRIAN DIAZ","officer_2":"OSCAR DIAZ FERREIRA","fleet_size_class":"A","business_type":"","duns_number":"","crash_rate":0,"prior_revoke_flag":"","prior_revoke_dot":"","cargo_types":"C","source":"census","ingested_at":"2026-05-16 02:07:29","updated_at":"2026-05-16 02:07:29"},"crashes":{"total":0,"fatal":null,"injury":null},"safety_scores":[],"freightproof":{"dot_number":"4391072","record_status":"no_vetting_yet","what_this_proves":"FMCSA-sourced carrier data cached by FreightProof. No signed vetting record exists yet; run one to generate a tamper-evident proof-of-checking.","data_hash":null,"vetting_date":null,"verify":null,"run_full_vetting":{"endpoint":"https://freight.rootz.global/mcp","tool":"freight_carrier_vet","arguments":{"dot_number":"4391072"},"sealed_evidence_tool":"freight_create_evidence"},"ai_discovery":"https://freight.rootz.global/.well-known/ai","data_source":"FMCSA (Census, Crash, Inspection, Enforcement)","legal_basis":"Montgomery v. Caribe Transport II, LLC, 608 U.S. ___ (2026)"}}