{"carrier":{"dot_number":"550194","legal_name":"SOUTHERN MARYLAND TOWING INC","dba_name":"","entity_type":"AUTHORIZED FOR HIRE","operating_status":"AUTHORIZED FOR HIRE","phy_street":"16480 THREE NOTCH RD","phy_city":"RIDGE","phy_state":"MD","phy_zip":"20680","phy_country":"US","phone":"3017371611","mc_number":"MC-157986","mc_number_2":"","mc_number_3":"","carrier_operation":"A","hm_indicator":"Y","power_units":11,"total_drivers":9,"total_cdl":4,"mcs150_mileage":100,"mcs150_mileage_year":"2024","mcs150_date":"20250428 0000","add_date":"19940209","officer_1":"JANICE MERRITT","officer_2":"TAPESTRY DALRYMPLE","fleet_size_class":"E","business_type":"CORPORATION","duns_number":"969069942","crash_rate":0,"prior_revoke_flag":"N","prior_revoke_dot":"","cargo_types":"C;B","source":"census","ingested_at":"2026-05-16 01:39:07","updated_at":"2026-05-16 01:39:07"},"crashes":{"total":3,"fatal":0,"injury":1},"safety_scores":[],"freightproof":{"dot_number":"550194","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":"550194"},"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)"}}