trailon
Security/AUDIT AND CUSTODY
AUDIT AND CUSTODY

Every significant transformation needs its own trace.

Append-only events, authorship, sequence, hashes, versions, and fingerprints help reconstruct what changed without confusing history with current state.

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CENTRAL QUESTION

How can we establish where an object came from and what happened to it during an investigation?

01Event
02Author
03State
04Hash
05History
01 · EVENTS

Significant changes generate linked events.

Creation, review, confirmation, rejection, and publication enter an auditable sequence.

  1. Append-only
  2. Authorship
  3. Timestamp
02 · CUSTODY

Sources retain fingerprint, version, and origin.

The system preserves the original object and records derivatives or new versions without silently overwriting earlier material.

  1. SHA-256
  2. Versioning
  3. Origin and derivation
03 · RECONSTRUCTION

History helps explain state, decision, and sequence.

Audit is more than a technical log. It needs to answer who changed what, why it changed, and which object was affected.

  1. Before and after
  2. Reason for review
  3. Related object
WHAT THIS LAYER DELIVERS

The result takes reviewable forms.

01Linked events
02Review history
03Fingerprints and versions
04Decision reconstruction
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