{"carrier":{"dot_number":"533810","legal_name":"MANTHEI DEVELOPMENT CORPORATION","dba_name":"MDC CONTRACTING LLC","entity_type":"PRIVATE PROPERTY;AUTHORIZED FOR HIRE","operating_status":"PRIVATE PROPERTY;AUTHORIZED FOR HIRE","phy_street":"05481 US 31 SOUTH","phy_city":"CHARLEVOIX","phy_state":"MI","phy_zip":"49720","phy_country":"US","phone":"2314970959","mc_number":"MC-1553305","mc_number_2":"","mc_number_3":"","carrier_operation":"A","hm_indicator":"N","power_units":14,"total_drivers":25,"total_cdl":25,"mcs150_mileage":600000,"mcs150_mileage_year":"2025","mcs150_date":"20251104 1618","add_date":"19930816","officer_1":"ABRAHAM MANTHEI","officer_2":"MARY SPENCE","fleet_size_class":"F","business_type":"CORPORATION","duns_number":"","crash_rate":0,"prior_revoke_flag":"N","prior_revoke_dot":"","cargo_types":"C","source":"census","ingested_at":"2026-05-16 01:39:07","updated_at":"2026-05-16 01:39:07"},"crashes":{"total":12,"fatal":0,"injury":6},"safety_scores":[],"freightproof":{"dot_number":"533810","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":"533810"},"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)"}}