{"carrier":{"dot_number":"176336","legal_name":"KELLER-HEARTT COMPANY INC","dba_name":"","entity_type":"AUTHORIZED FOR HIRE","operating_status":"AUTHORIZED FOR HIRE","phy_street":"4411 S TRIPP AVE","phy_city":"CHICAGO","phy_state":"IL","phy_zip":"60632","phy_country":"US","phone":"7732477606","mc_number":"MC-1633415","mc_number_2":"","mc_number_3":"","carrier_operation":"A","hm_indicator":"N","power_units":15,"total_drivers":12,"total_cdl":1,"mcs150_mileage":463335,"mcs150_mileage_year":"2024","mcs150_date":"20260224 1445","add_date":"19740601","officer_1":"BRIAN MCGRATH","officer_2":"","fleet_size_class":"G","business_type":"CORPORATION","duns_number":"25366477","crash_rate":0,"prior_revoke_flag":"N","prior_revoke_dot":"","cargo_types":"C;S","source":"census","ingested_at":"2026-05-16 01:36:39","updated_at":"2026-05-16 01:36:39"},"crashes":{"total":8,"fatal":0,"injury":3},"safety_scores":[],"freightproof":{"dot_number":"176336","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":"176336"},"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)"}}