I-D Action: draft-ferro-apertomemory-02.txt

Internet-Draft draft-ferro-apertomemory-02.txt is now available.

   Title:   The ApertoMemory Format: Portable, Client-Side-Encrypted AI Memory
   Author:  Andrea Ferro
   Name:    draft-ferro-apertomemory-02.txt
   Pages:   27
   Dates:   2026-07-22

Abstract:

   AI assistants and agents accumulate long-term memory about their
   users.  This memory is typically stored in proprietary, provider-held
   silos: it cannot be moved between tools, its integrity cannot be
   verified, and its confidentiality depends entirely on the provider.
   This document specifies the ApertoMemory format: a canonical, signed,
   client-side-encrypted representation of AI memory objects, together
   with a portable single-file export container.  Memory objects are
   encoded in deterministic CBOR, signed with COSE_Sign1, and encrypted
   with COSE_Encrypt0 under keys derived from and controlled by the
   user.  A storage or synchronisation server handling ApertoMemory
   objects has zero access to their content, authorship, or semantic
   timestamps.

   This revision specifies format_version 2, which cryptographically
   binds every signature to the author it claims and to the cleartext
   envelope around it, and derives trust from which key verified an
   object rather than from a declared field. format_version 1, described
   by earlier revisions of this document, carries a known forgeable-
   provenance defect and MUST NOT be implemented for new deployments.

The IETF datatracker status page for this Internet-Draft is:
https://datatracker.ietf.org/doc/draft-ferro-apertomemory/

There is also an HTML version available at:
https://www.ietf.org/archive/id/draft-ferro-apertomemory-02.html

A diff from the previous version is available at:
https://author-tools.ietf.org/iddiff?url2=draft-ferro-apertomemory-02

Internet-Drafts are also available by rsync at:
rsync.ietf.org::internet-drafts


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