What’s New?Send & track recipients

Welcome to the Obsol Docs

Everything about anchoring, embedding and verifying document versions

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Popular searches
SUPERSEDEDQR codeAPI
How it works
Fingerprints, versions and the on-chain record behind every Obsol link.
Verifying a copy
What CURRENT, SUPERSEDED and UNRECOGNIZED mean, and how to check a file.
Embedding the link
Put the permanent link and QR into your document before you send it.
API
Anchor versions and look up fingerprints over HTTP.
FAQ
Storage, privacy, networks and other common questions.

How it works

Versions, fingerprints and the on-chain record behind every Obsol link.