US Patent Issued to International Business Machines on Sept. 16 for "Certifying authenticity of data modifications" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,418,420, issued on Sept. 16, was assigned to International Business Machines Corp. (Armonk, N.Y.).

"Certifying authenticity of data modifications" was invented by Hiroaki Nakamura (Tokyo) and Takaaki Tateishi (Yamato, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An example operation may include one or more of receiving, at a data provider, a data file from a data modifier which comprises a modification to an initial content state of a data file, generating a hash value of the initial content state of the data file prior to modification and generating a hash value of a modified content state of the data file after the modification, and transmitt...