{"carrier":{"dot_number":"3208781","legal_name":"MATRIX TRANSPORTATION INC","dba_name":"","entity_type":"AUTHORIZED FOR HIRE","operating_status":"AUTHORIZED FOR HIRE","phy_street":"7202 WHITMORE LAKE RD","phy_city":"BRIGHTON","phy_state":"MI","phy_zip":"48116","phy_country":"US","phone":"8102254415","mc_number":"MC-1001541","mc_number_2":"","mc_number_3":"","carrier_operation":"","hm_indicator":"N","power_units":38,"total_drivers":100,"total_cdl":50,"mcs150_mileage":0,"mcs150_mileage_year":"","mcs150_date":"20181108 0000","add_date":"20181105","officer_1":"MAUREEN M KIEFER","officer_2":"","fleet_size_class":"L","business_type":"","duns_number":"","crash_rate":0,"prior_revoke_flag":"","prior_revoke_dot":"","cargo_types":"B","source":"census","ingested_at":"2026-05-16 01:58:05","updated_at":"2026-05-16 01:58:05"},"crashes":{"total":0,"fatal":null,"injury":null},"safety_scores":[],"freightproof":{"dot_number":"3208781","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":"3208781"},"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)"}}