{"carrier":{"dot_number":"3133011","legal_name":"STANDARD MATERIALS GROUP INC","dba_name":"","entity_type":"PRIVATE PROPERTY;AUTHORIZED FOR HIRE","operating_status":"PRIVATE PROPERTY;AUTHORIZED FOR HIRE","phy_street":"4608 S GARNETT RD SUITE 600","phy_city":"TULSA","phy_state":"OK","phy_zip":"74146","phy_country":"US","phone":"9185604656","mc_number":"MC-94221","mc_number_2":"","mc_number_3":"","carrier_operation":"A","hm_indicator":"N","power_units":122,"total_drivers":65,"total_cdl":65,"mcs150_mileage":3450313,"mcs150_mileage_year":"2023","mcs150_date":"20241209 0000","add_date":"20180507","officer_1":"CHAD ENGLE--TRACY HIEGER","officer_2":"BRANDON BEAM--MORGAN TAYLOR","fleet_size_class":"Q","business_type":"","duns_number":"","crash_rate":10,"prior_revoke_flag":"N","prior_revoke_dot":"","cargo_types":"C;B","source":"census","ingested_at":"2026-05-16 01:57:38","updated_at":"2026-05-16 01:57:38"},"crashes":{"total":18,"fatal":0,"injury":11},"safety_scores":[],"freightproof":{"dot_number":"3133011","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":"3133011"},"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)"}}