ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,744,667, issued on Sept. 22, was assigned to Image Proof Inc (Austin, Texas).

"Proof of media metadata integrity on HashGraph" was invented by Jerald Nine (Waco, Texas) and Jonathan Taft (Grandview, Mo.).

According to the abstract* released by the U.S. Patent & Trademark Office: "This invention presents a dual-layer verification system for authenticating digital media using HashGraph distributed ledger technology. By separately hashing and recording metadata on-chain while keeping media hashes off-chain, the system ensures authenticity while allowing controlled disclosure of the media hash. It supports optional metadata embedding within media files, re-hashing for integrity verifica...