{"carrier":{"dot_number":"1922844","legal_name":"DOUBLE K EXPRESS","dba_name":"KENNY EXPRESS","entity_type":"AUTHORIZED FOR HIRE","operating_status":"AUTHORIZED FOR HIRE","phy_street":"721 COMMERCIAL ST","phy_city":"SAN FRANCISCO","phy_state":"CA","phy_zip":"94108","phy_country":"US","phone":"4153982009","mc_number":"MC-687930","mc_number_2":"","mc_number_3":"","carrier_operation":"C","hm_indicator":"N","power_units":3,"total_drivers":6,"total_cdl":6,"mcs150_mileage":376229,"mcs150_mileage_year":"2020","mcs150_date":"20220923 1712","add_date":"20090805","officer_1":"KENNY SONG KANG CHEN","officer_2":"","fleet_size_class":"B","business_type":"","duns_number":"21344690","crash_rate":10.2,"prior_revoke_flag":"N","prior_revoke_dot":"","cargo_types":"C","source":"census","ingested_at":"2026-05-16 01:48:59","updated_at":"2026-05-16 01:48:59"},"crashes":{"total":2,"fatal":0,"injury":1},"safety_scores":[],"freightproof":{"dot_number":"1922844","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":"1922844"},"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)"}}