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DocAnchor Tamper-evident document time stamps

A tamper-evident time stamp for any document, anchored on the public XDC network and checkable by anyone, with no crypto knowledge needed.

Coming soonFree document check works today; submissions open soonDocWitness · Enterprise

Get started

curl
H=$(sha256sum invoice.pdf | cut -d' ' -f1)
curl -s https://feedplumb.com/notary/v1/verify/$H

Product page

Who it's for, how it works and how to get access.

Open

DocAnchor API

4 endpoints, with curl examples.

Reference
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