{"carrier":{"dot_number":"841903","legal_name":"CORNERSTONE CARRIERS INC","dba_name":"","entity_type":"AUTHORIZED FOR HIRE","operating_status":"AUTHORIZED FOR HIRE","phy_street":"712E 700 N RD","phy_city":"BUCKLEY","phy_state":"IL","phy_zip":"60918","phy_country":"US","phone":"2173942375","mc_number":"MC-371389","mc_number_2":"","mc_number_3":"","carrier_operation":"A","hm_indicator":"N","power_units":8,"total_drivers":10,"total_cdl":10,"mcs150_mileage":200000,"mcs150_mileage_year":"2007","mcs150_date":"20060726 2316","add_date":"19991201","officer_1":"LARRY YOUNG","officer_2":"SCOTT YOUNG","fleet_size_class":"D","business_type":"CORPORATION","duns_number":"1085305","crash_rate":0,"prior_revoke_flag":"N","prior_revoke_dot":"","cargo_types":"C","source":"census","ingested_at":"2026-05-16 01:41:23","updated_at":"2026-05-16 01:41:23"},"crashes":{"total":2,"fatal":1,"injury":1},"safety_scores":[],"freightproof":{"dot_number":"841903","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":"841903"},"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)"}}