The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 19, 2023
Filed:
Oct. 09, 2018
Applicant:
International Business Machines Corporation, Armonk, NY (US);
Inventors:
Hiroaki Nakamura, Tokyo, JP;
Takaaki Tateishi, Yamato, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 9/32 (2006.01); H04L 9/00 (2022.01);
U.S. Cl.
CPC ...
H04L 9/3247 (2013.01); H04L 9/3236 (2013.01); H04L 9/50 (2022.05);
Abstract
An example operation may include one or more of modifying content of a data file from an initial content state to a modified content state, determining a relationship value which identifies a relationship of the modified content state with respect to the initial content state of the data file, signing the relationship value with a private key of a data modifier, and transmitting the signed relationship value to a blockchain peer node for inclusion within one or more data blocks among a hash-linked chain of data blocks.