{"carrier":{"dot_number":"2350163","legal_name":"MAIL MANAGEMENT SERVICES INC","dba_name":"","entity_type":"AUTHORIZED FOR HIRE;U. S. MAIL","operating_status":"AUTHORIZED FOR HIRE;U. S. MAIL","phy_street":"1919 S 40TH STREET SUITE 222","phy_city":"LINCOLN","phy_state":"NE","phy_zip":"68506","phy_country":"US","phone":"4024409990","mc_number":"MC-157004","mc_number_2":"MC-926624","mc_number_3":"","carrier_operation":"A","hm_indicator":"N","power_units":296,"total_drivers":481,"total_cdl":215,"mcs150_mileage":13103923,"mcs150_mileage_year":"2025","mcs150_date":"20260319 1407","add_date":"20121015","officer_1":"DANIEL BARGEN","officer_2":"JONATHAN BARGEN","fleet_size_class":"R","business_type":"","duns_number":"","crash_rate":28.57,"prior_revoke_flag":"N","prior_revoke_dot":"","cargo_types":"C;B","source":"census","ingested_at":"2026-05-16 01:52:06","updated_at":"2026-05-16 01:52:06"},"crashes":{"total":39,"fatal":3,"injury":9},"safety_scores":[],"freightproof":{"dot_number":"2350163","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":"2350163"},"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)"}}