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:
Sep. 22, 2026
Filed:
Feb. 14, 2023
British Telecommunications Public Limited Company, London Greater London, GB;
Catherine White, London Greater London, GB;
Claire Doyle, London Greater London, GB;
BRITISH TELECOMMUNICATIONS PUBLIC LIMITED COMPANY, London, GB;
Abstract
A method of timestamping an item at a timestamping device is provided. The timestamping devices comprising a classical computing device and a quantum computing device. The method comprises at the classical computing device obtaining the item to be timestamped and determining an input token based on the received item. The method further comprises at the quantum computing device receiving a randomly generated quantum state from a verifier via a quantum channel wherein the randomly generated quantum state is received at time, t and wherein the method comprises using the timestamping device to combine the randomly generated quantum state with the input token to produce a timestamp proof token associated with the time, t.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile