{"carrier":{"dot_number":"4507521","legal_name":"MB BROKERS LLC","dba_name":"","entity_type":"AUTHORIZED FOR HIRE","operating_status":"AUTHORIZED FOR HIRE","phy_street":"4466 E CAREY AVE","phy_city":"LAS VEGAS","phy_state":"NV","phy_zip":"89115","phy_country":"US","phone":"7026136529","mc_number":"MC-1784044","mc_number_2":"","mc_number_3":"","carrier_operation":"A","hm_indicator":"N","power_units":0,"total_drivers":0,"total_cdl":0,"mcs150_mileage":0,"mcs150_mileage_year":"","mcs150_date":"20251218 1357","add_date":"20251216","officer_1":"ARTHUR R BERNIER","officer_2":"BRANDON MILNE","fleet_size_class":"0","business_type":"","duns_number":"","crash_rate":0,"prior_revoke_flag":"","prior_revoke_dot":"","cargo_types":"B","source":"census","ingested_at":"2026-05-16 02:08:31","updated_at":"2026-05-16 02:08:31"},"crashes":{"total":0,"fatal":null,"injury":null},"safety_scores":[],"freightproof":{"dot_number":"4507521","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":"4507521"},"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)"}}