I-D Action: draft-mih-scitt-checkpointed-local-log-00.txt

Internet-Draft draft-mih-scitt-checkpointed-local-log-00.txt is now available.

   Title:   The Checkpointed Local Log (CLL)
   Author:  Steven Mih
   Name:    draft-mih-scitt-checkpointed-local-log-00.txt
   Pages:   11
   Dates:   2026-08-31

Abstract:

   Many systems emit individually signed records — receipts,
   attestations, statements — and store them locally.  Each record
   verifies on its own, but the collection proves nothing: records can
   be deleted, reordered, or created after the fact without detection.
   This document specifies the Checkpointed Local Log (CLL): a producer-
   operated append-only log, built on the Merkle Mountain Range
   structure whose COSE proof formats are specified in
   [I-D.bryce-cose-receipts-mmr-profile], together with a small signed
   checkpoint that commits to the log's entire history.  Records of any
   format are appended as they are produced; checkpoints are emitted on
   a declared cadence and may be registered with one or more independent
   Transparency Services or witnesses using existing SCITT registration.
   A CLL upgrades a set of point receipts into a stream with provable
   order, contemporaneity, and completeness — while defining precisely,
   and narrowly, what such a log does and does not establish.  This
   document defines the log discipline and the checkpoint structure; it
   defines no new proof formats, no transparency service behavior, and
   no payload semantics.

The IETF datatracker status page for this Internet-Draft is:
https://datatracker.ietf.org/doc/draft-mih-scitt-checkpointed-local-log/

There is also an HTML version available at:
https://www.ietf.org/archive/id/draft-mih-scitt-checkpointed-local-log-00.html

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


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