{"carrier":{"dot_number":"471447","legal_name":"SIMPSON TRUCKING AND GRADING INC","dba_name":"","entity_type":"AUTHORIZED FOR HIRE","operating_status":"AUTHORIZED FOR HIRE","phy_street":"3566 ATHENS HWY","phy_city":"TALMO","phy_state":"GA","phy_zip":"30575","phy_country":"US","phone":"7705364731","mc_number":"MC-250486","mc_number_2":"MC-485655","mc_number_3":"","carrier_operation":"A","hm_indicator":"N","power_units":30,"total_drivers":30,"total_cdl":30,"mcs150_mileage":893000,"mcs150_mileage_year":"2023","mcs150_date":"20260327 0902","add_date":"19920218","officer_1":"ADAM ROBERTS","officer_2":"GREG SIMPSON","fleet_size_class":"K","business_type":"CORPORATION","duns_number":"75873745","crash_rate":2,"prior_revoke_flag":"N","prior_revoke_dot":"","cargo_types":"C","source":"census","ingested_at":"2026-05-16 01:38:41","updated_at":"2026-05-16 01:38:41"},"crashes":{"total":42,"fatal":2,"injury":28},"safety_scores":[],"freightproof":{"dot_number":"471447","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":"471447"},"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)"}}