{"carrier":{"dot_number":"1050880","legal_name":"DENNIS & PAMELLA J IOSTY","dba_name":"HEARTLAND AUTO TRANSPORT","entity_type":"OTHER-UNKNOWN;AUTHORIZED FOR HIRE","operating_status":"OTHER-UNKNOWN;AUTHORIZED FOR HIRE","phy_street":"739 610TH STREET","phy_city":"STORM LAKE","phy_state":"IA","phy_zip":"50588","phy_country":"US","phone":"7127320021","mc_number":"MC-441190","mc_number_2":"","mc_number_3":"","carrier_operation":"A","hm_indicator":"N","power_units":1,"total_drivers":1,"total_cdl":1,"mcs150_mileage":60000,"mcs150_mileage_year":"2007","mcs150_date":"20081202 0000","add_date":"20020828","officer_1":"DENNIS IOSTY","officer_2":"PAMELA IOSTY","fleet_size_class":"A","business_type":"","duns_number":"","crash_rate":0,"prior_revoke_flag":"N","prior_revoke_dot":"","cargo_types":"C","source":"census","ingested_at":"2026-05-16 01:43:10","updated_at":"2026-05-16 01:43:10"},"crashes":{"total":0,"fatal":null,"injury":null},"safety_scores":[],"freightproof":{"dot_number":"1050880","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":"1050880"},"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)"}}