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. 20, 2022
Filed:
Mar. 10, 2016
United States Postal Service, Washington, DC (US);
Clayton C Bonnell, Fairfax, VA (US);
Kelley A Sullivan, Washington, DC (US);
United States Postal Service, Washington, DC (US);
Abstract
Methods and systems for electronic document authentication are disclosed. In one aspect, a method of generating an electronic postmark includes receiving, via a server, a request message from an electronic network, the request message comprising request data including payload data and meta data, generating a timestamp in response to receiving the message, hashing the payload data to generate a payload hash, digitally signing the metadata, the payload hash, and the timestamp to generate a digital signature, generating a response message, the response message generated to comprise the metadata, the payload hash, the timestamp, and the digital signature; and transmitting the response message onto the electronic network.