I-D Action: draft-templeman-scitt-measurement-capsule-00.txt
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Internet-Draft draft-templeman-scitt-measurement-capsule-00.txt is now available. Title: Declared-versus-Observed Measurement Capsules: A Profile for Third-Party Measurement Statements in SCITT Author: Nicholas Templeman Name: draft-templeman-scitt-measurement-capsule-00.txt Pages: 16 Dates: 2026-09-26 Abstract: This document defines the measurement capsule: a small, deterministic JSON record in which a party that is neither the subject of a claim nor a participant in the action it concerns records what the subject declared, what the measuring party observed, and the difference between the two. A capsule carries digests of its evidence, a measurement state in which "could not be checked" is a first-class outcome, and no decision, approval or authorisation. Capsules are identified by the SHA-256 of their JCS serialisation and batched under an RFC 9162 Merkle Tree Hash. The document describes their registration as SCITT Signed Statements (RFC 9943), how they refer to rather than restate receipts issued under other profiles, and one implementation, including where it does not yet match this profile. The IETF datatracker status page for this Internet-Draft is: https://datatracker.ietf.org/doc/draft-templeman-scitt-measurement-capsule/ There is also an HTMLized version available at: https://datatracker.ietf.org/doc/html/draft-templeman-scitt-measurement-capsule-00 Internet-Drafts are also available by rsync at: rsync.ietf.org::internet-drafts
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