Sigilbase is in early access, free while we're in beta. Your data and evidence are permanent.

Writing

Notes from the registry.

On provable records, audit evidence, and the design decisions behind Sigilbase. Subscribe with the Atom feed; there is no newsletter and no tracking of readers.

Tamper-evident audit logs: what they are, why they matter

What a tamper-evident audit log is, how it differs from ordinary logging, and how hash chains and signed checkpoints turn records into provable evidence. The rest of this section builds on the ideas explained here.

Start recording provable history

Chained, sealed, independently verifiable audit logs, from the first event. Free while Sigilbase is in beta.

Start free

Questions first? Write to hello@sigilbase.io.

Privacy

This site runs no analytics and no trackers.

The site itself collects nothing. If you create a Sigilbase account, the data that involves is described in the privacy policy.

To have your email removed, contact hello@sigilbase.io.

Read the full privacy policy

Last updated July 2026