Network Working Group K. Singh Internet-Draft Apex Intelligence Empire / ROCKYFILMS888 PTY LTD Intended status: Informational 19 July 2026 Expires: 20 January 2027 Proof of Sovereign Integrity (PSI): Protocol Specification v1 draft-singh-psi-01-01 Abstract This document specifies the Proof of Sovereign Integrity (PSI) Protocol for verifiable AI regulatory compliance. Revision 01 updates the March 2026 specification with EU AI Act Article 50 alignment and post-quantum cryptographic requirements. Status of This Memo This Internet-Draft is submitted in full conformance with the provisions of BCP 78 and BCP 79. Internet-Drafts are working documents of the Internet Engineering Task Force (IETF). Note that other groups may also distribute working documents as Internet-Drafts. The list of current Internet- Drafts is at https://datatracker.ietf.org/drafts/current/. Internet-Drafts are draft documents valid for a maximum of six months and may be updated, replaced, or obsoleted by other documents at any time. It is inappropriate to use Internet-Drafts as reference material or to cite them other than as "work in progress." This Internet-Draft will expire on 20 January 2027. Copyright Notice Copyright (c) 2026 IETF Trust and the persons identified as the document authors. All rights reserved. This document is subject to BCP 78 and the IETF Trust's Legal Provisions Relating to IETF Documents (https://trustee.ietf.org/ license-info) in effect on the date of publication of this document. Please review these documents carefully, as they describe your rights and restrictions with respect to this document. Table of Contents 1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 2 Singh Expires 20 January 2027 [Page 1] Internet-Draft PSI Protocol July 2026 1. Introduction This document updates draft-singh-psi-01-00 filed March 21 2026. Singh Expires 20 January 2027 [Page 2]