How to prove which version of a document you sent
XSeal published a guide to keeping proof of every version of a document you send, so a dispute about the old quote or the edited contract can be settled with evidence.
Most disputes about documents are not about whether a file exists but about which version was sent: the quote with the old price, or the contract before the last edit. XSeal has published a guide on how to prove which version of a document you sent.
The guide explains why the revision history in your own tools is weak evidence, and what proof of a version actually needs: the exact content as a SHA-256 fingerprint, a trusted UTC time, a signed record that cannot be quietly rewritten, and the order in which versions were sealed.
It walks through sealing each version as you send it, recording later revisions as new versions of the same seal, and sharing the public verification link so the other side can check their own copy without an account.
The guide also says plainly what a sealed version does not prove: that the recipient read the file, or who agreed to it. It ends with a five-step routine that takes seconds per document.
Read it on the XSeal blog at xseal.nl.
