[ Docs ](https://sendnda.com/docs)     

Evidence.
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How Send NDA records what was signed, by whom and when, and how anyone can check a copy later.

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Evidence
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3 articles

[The signing record](https://sendnda.com/docs/evidence/the-signing-record)
The chained log of every step, and what each entry holds.

[The sealed PDF](https://sendnda.com/docs/evidence/the-sealed-pdf)
How a completed agreement is frozen, what its signing certificate holds, and why a later change cannot reach either.

[Verify a copy](https://sendnda.com/docs/evidence/verify-a-copy)
Upload a PDF and see whether it is, byte for byte, the one both parties signed, or its signing certificate.