ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,407,707, issued on Sept. 2, was assigned to Plainsight Technologies Inc. (San Diego).

"System and method of managing and auditing training data based on distributed ledger technology" was invented by Logan Spears (Kingston, Wash.) and Carlos Anchia (Plano, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A computing node in a P2P computer network obtaining a media item to be verified, determining a hash value for the media item based on a digital cryptographic hash function, retrieving a plurality of data records associated with the media item from a blockchain based at least in part on the hash value, wherein a data record is generated by a validat...