ATTEST

Cryptographic sign-off for creative deliverables

Embed tamper-proof signatures into your files. Prove who attested and that nothing has changed since.

Download

Windows + Linux coming soon

What ATTEST Proves

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Identity

Who attested to the file

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Integrity

File unchanged since attestation

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Accountability

Real person signed off

"ATTEST verifies people, not processes.
It proves responsibility, not purity."

We don't claim how work was created or whether AI was used.
We prove who stands behind it.

Verify a File

Received an attested file? Check its authenticity.

Open Verification Portal