{"carrier":{"dot_number":"275901","legal_name":"WILLIAMS CRANE SERVICE INC","dba_name":"","entity_type":"PRIVATE PROPERTY;AUTHORIZED FOR HIRE","operating_status":"PRIVATE PROPERTY;AUTHORIZED FOR HIRE","phy_street":"3727 EAST JOPPA ROAD","phy_city":"BALTIMORE","phy_state":"MD","phy_zip":"21236","phy_country":"US","phone":"4102566500","mc_number":"MC-651762","mc_number_2":"","mc_number_3":"","carrier_operation":"A","hm_indicator":"N","power_units":14,"total_drivers":14,"total_cdl":14,"mcs150_mileage":175000,"mcs150_mileage_year":"2025","mcs150_date":"20260114 0000","add_date":"19860711","officer_1":"HOWARD ROBERT WILLIAMS","officer_2":"NANCY AKENS","fleet_size_class":"F","business_type":"CORPORATION","duns_number":"3100641","crash_rate":0,"prior_revoke_flag":"N","prior_revoke_dot":"","cargo_types":"C","source":"census","ingested_at":"2026-05-16 01:36:51","updated_at":"2026-05-16 01:36:51"},"crashes":{"total":6,"fatal":1,"injury":3},"safety_scores":[],"freightproof":{"dot_number":"275901","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":"275901"},"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)"}}