I-D Action: draft-hillier-scitt-arp-01.txt

Internet-Draft draft-hillier-scitt-arp-01.txt is now available.

   Title:   Attestation Reconciliation Protocol
   Author:  Joel David Hillier
   Name:    draft-hillier-scitt-arp-01.txt
   Pages:   26
   Dates:   2026-07-23

Abstract:

   This document specifies the Attestation Reconciliation Protocol
   (ARP), a deterministic, bilateral, zero-knowledge-capable 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 greatest-lower-bound 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 HTML version available at:
https://www.ietf.org/archive/id/draft-hillier-scitt-arp-01.html

A diff from the previous version is available at:
https://author-tools.ietf.org/iddiff?url2=draft-hillier-scitt-arp-01

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


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