Cryptographic commitment (SHA-256 hash) for a confidential technical disclosure describing a framework for post-quantum digital signatures with post-compromise security (PCS). This document contains no technical details — only the SHA-256 hash of the confidential disclosure and an abstract list of 12 claim areas. The full document is held privately by the author and will be disclosed upon request for patent prosecution, litigation, or regulatory review. Verification: obtain the original document from the author and compare its SHA-256 hash with the one published herein.
Hung Dang (Sun,) studied this question.