On-chain proof for your
artwork.
Upload any file. Get an immutable certificate that proves when your work was created. No crypto wallet needed.
- Author
- Maren Ingvarsen
- Sealed
- 2026-04-29 · 14:02:11 UTC
- Block
- #54 821 770
- Hash
- 0x7a9f…d4e2c1b8
Three simple steps.
Upload your file
Documents, images, code, audio, designs, drag and drop any file type up to 5 GB.
We seal it on-chain
Your file is hashed and timestamped on-chain. Permanent, public, and verifiable.
Get your certificate
Download a professional PDF with on-chain proof and a QR verification code.
If you created it, you can prove it.
Art and design
Timestamp originals before sharing with clients or posting online.
Music and audio
Prove when your track, beat, or composition was created.
Research and academia
Seal your thesis, papers, or discoveries with a verifiable date.
Contracts and legal
Immutable proof an NDA, proposal, or contract existed on a date.
Code and software
Register source code and prototypes before filing patents.
Film and video
Protect scripts, storyboards, and footage with timestamped proofs.
Architecture
Seal blueprints, CAD files, and technical drawings before sharing.
Photography
Prove ownership of photos before publishing or licensing them.
Business and patents
Document inventions, business plans, and prototypes with a date.
Need extra legal strength?
Upgrade to EU Legal.
Add an eIDAS Qualified Timestamp, the highest standard of electronic proof, recognized across all 27 EU member states. Available as an optional upgrade on any certificate.
Learn more about eIDASCommon questions.
Ready to protect what you create?
Join the waitlist. Be the first to register your work with court-recognized on-chain proof.
Now you can prove it's yours.