{"carrier":{"dot_number":"3402972","legal_name":"ROBERT F ELWELL JR","dba_name":"ELWELL EXCAVATION","entity_type":"PRIVATE PROPERTY;STATE GOVERNMENT;AUTHORIZED FOR HIRE;FEDERAL GOVERNMENT","operating_status":"PRIVATE PROPERTY;STATE GOVERNMENT;AUTHORIZED FOR HIRE;FEDERAL GOVERNMENT","phy_street":"36 OAK","phy_city":"LISBON FALLS","phy_state":"ME","phy_zip":"04252","phy_country":"US","phone":"2076507453","mc_number":"MC-1095687","mc_number_2":"","mc_number_3":"","carrier_operation":"C","hm_indicator":"N","power_units":2,"total_drivers":1,"total_cdl":1,"mcs150_mileage":349272,"mcs150_mileage_year":"2024","mcs150_date":"20240521 1939","add_date":"20200302","officer_1":"ROBERT FRANKLIN ELWELL JR.","officer_2":"","fleet_size_class":"B","business_type":"","duns_number":"","crash_rate":0,"prior_revoke_flag":"N","prior_revoke_dot":"","cargo_types":"C","source":"census","ingested_at":"2026-05-16 01:59:36","updated_at":"2026-05-16 01:59:36"},"crashes":{"total":0,"fatal":null,"injury":null},"safety_scores":[],"freightproof":{"dot_number":"3402972","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":"3402972"},"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)"}}