{"carrier":{"dot_number":"163910","legal_name":"HALL SYSTEMS INC","dba_name":"","entity_type":"OTHER-UNKNOWN","operating_status":"OTHER-UNKNOWN","phy_street":"1504 APPALACHEE ST","phy_city":"BIRMINGHAM","phy_state":"AL","phy_zip":"35234","phy_country":"US","phone":"2053245620","mc_number":"MC-144011","mc_number_2":"MC-145589","mc_number_3":"","carrier_operation":"A","hm_indicator":"N","power_units":213,"total_drivers":230,"total_cdl":230,"mcs150_mileage":0,"mcs150_mileage_year":"","mcs150_date":"","add_date":"19740601","officer_1":"","officer_2":"","fleet_size_class":"R","business_type":"CORPORATION","duns_number":"","crash_rate":0,"prior_revoke_flag":"","prior_revoke_dot":"","cargo_types":"C;B","source":"census","ingested_at":"2026-05-16 01:36:10","updated_at":"2026-05-16 01:36:10"},"crashes":{"total":39,"fatal":1,"injury":22},"safety_scores":[],"freightproof":{"dot_number":"163910","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":"163910"},"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)"}}