I-D Action: draft-hillier-scitt-arp-02.txt

Internet-Draft draft-hillier-scitt-arp-02.txt is now available.

   Title:   Attestation Reconciliation Protocol
   Author:  Joel David Hillier
   Name:    draft-hillier-scitt-arp-02.txt
   Pages:   35
   Dates:   2026-08-08

Abstract:

   This document specifies the Attestation Reconciliation Protocol
   (ARP), a deterministic, bilateral, minimum-disclosure mechanism for
   reconciling verification claims against a plurality of sovereign
   authoritative registers without raw register records leaving their
   data-residency jurisdiction.  ARP extends the SCITT (Supply Chain
   Integrity, Transparency, and Trust) architecture to cross-sovereign
   claim reconciliation.  A reconciliation server canonicalises a
   structured claim, binds the identity of the requesting principal --
   including, where the requester is an autonomous agent, a friend-or-
   foe determination of that agent's verifiable principal binding --
   projects the claim through register-specific controlled projection
   functions producing the nearest permitted ancestor predicate
   supported by each addressed register, transmits register-specific
   ciphertexts, receives partial attestations whose payload discloses
   only a verdict and an optional divergence axis, aggregates the
   partial attestations through either homomorphic or hash-linkage
   aggregation, and seals the resulting reconciliation output against a
   policy-version hash.  An append-only cross-jurisdictional settlement-
   layer ledger records only hashes, with no content.  The protocol
   supports retroactive re-evaluation of historical reconciliations
   under updated pattern libraries or policy versions without bilateral
   renegotiation, and a cryptographic-primitive-upgrade path including
   post-quantum primitives.  This revision adds agentic-principal
   reconciliation, requester identity binding, alignment with HTTP
   Message Signatures and COSE Receipts, and composition of
   heterogeneous agent-action accountability attestations into a single
   producer-agnostic reconciled verdict evaluated at decision time.

The IETF datatracker status page for this Internet-Draft is:
https://datatracker.ietf.org/doc/draft-hillier-scitt-arp/

There is also an HTMLized version available at:
https://datatracker.ietf.org/doc/html/draft-hillier-scitt-arp-02

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

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


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