✦ 3 free proofs for creators  ·  No card required  · RFC 3161 certified · PDF certificate · Always free
Trusted timestampsBlockchain anchoringLegally relevantPDF certificatesImmutable digital pack

Prove it was
yours first.

Register permanent, timestamped proof of your ideas, music, code, inventions, and creative work. No lawyers. No patents. Just cryptographic evidence.

Start free — no card needed →Verify a proof
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✦

Register your proof

SHA-256 hash + RFC 3161 timestamp. Legally recognised in UK & EU. PDF certificate included.

✓ 3 Free Proofs — always
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Anchor to blockchain

Write your proof permanently to the Polygon blockchain. Immutable, independent, verifiable by anyone — forever.

⬡ Totally secure, on-chain
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Certificate & evidence pack

Download your PDF certificate, or get the full digital pack — files, certificate, and verification doc bundled forever.

◈ Certificate of registration
+ Request digital proof pack
✓ RFC 3161 internationally recognised✓ Polygon blockchain anchoring✓ eIDAS compatible✓ No lawyers needed

See how it works

For every type of creator