{"carrier":{"dot_number":"2469977","legal_name":"FOUR O SIX UNDERGROUND INC","dba_name":"","entity_type":"PRIVATE PROPERTY","operating_status":"PRIVATE PROPERTY","phy_street":"3012 L DRIVE #3","phy_city":"HELENA","phy_state":"MT","phy_zip":"59602-8539","phy_country":"US","phone":"4065210015","mc_number":"MC-975804","mc_number_2":"","mc_number_3":"","carrier_operation":"A","hm_indicator":"Y","power_units":5,"total_drivers":4,"total_cdl":2,"mcs150_mileage":51000,"mcs150_mileage_year":"2019","mcs150_date":"20200901 1629","add_date":"20140123","officer_1":"BEAU STRAUB","officer_2":"BEAU STRAUB","fleet_size_class":"C","business_type":"","duns_number":"","crash_rate":0,"prior_revoke_flag":"N","prior_revoke_dot":"","cargo_types":"C","source":"census","ingested_at":"2026-05-16 01:52:47","updated_at":"2026-05-16 01:52:47"},"crashes":{"total":0,"fatal":null,"injury":null},"safety_scores":[],"freightproof":{"dot_number":"2469977","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":"2469977"},"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)"}}