The timestamp of record
for everything you create.
OriginMark gives any file — text, image, code, music, blueprint — cryptographic proof of authorship at a precise moment in time. Hash. Stamp. Verify. Forever.
- SHA-256
- Client-side
hash - RFC 3161
- Qualified
timestamp - BTC anchor
- Vendor
independent
Four steps. One unbreakable trail.
From hash to verified certificate in under a minute. Anchored to Bitcoin. Issued under eIDAS Art. 41.
Hash on your device
SHA-256 happens in your browser. The file never leaves your machine. Privacy by design.
Stamp it everywhere
DigiCert RFC 3161 token + OpenTimestamps anchor on Bitcoin. Two independent proofs, one moment in time.
Get a portable certificate
PDF, QR code, embeddable badge. Versioned chain for every iteration of your work.
Anyone can verify
Scan the QR, click the badge, or re-hash the file. Match means authentic. No match means modified.
Eight things no other certifier offers together.
Privacy by design
Hashing happens client-side. We never see your file.
Bitcoin-anchored
OpenTimestamps adds an immutable anchor on Bitcoin's blockchain.
RFC 3161 timestamp
DigiCert qualified TSA — admissible under eIDAS Art. 41.
Version chain
Founding cert + every revision linked. Prove not just existence — evolution.
Embeddable badge
One snippet adds OM Verified to any site. Auto-updating.
AI training flag
Mark your work allowed or forbidden for AI training. The infrastructure for AI licensing.
Mobile QR verify
Anyone with a phone can scan and confirm in seconds.
Open standard
/.well-known/origimark.json — a proposed web standard you can self-host.
Pay per use. No subscriptions.
Cheaper than every comparable provider. Versions cost a fraction of the founding cert.
Free
Try it. One certificate per month, on us.
- ✓ 1 certificate / month
- ✓ PDF + QR + badge
- ✓ Public verify page
- ✓ Standard email
Single
Pay only when you certify.
- ✓ 1 founding certificate
- ✓ All formats
- ✓ Version updates €1.49
- ✓ Embed snippet
Pro pack
Founding cert plus 15 versions.
- ✓ Founding + 15 versions
- ✓ Multi-party signing
- ✓ Priority support
- ✓ AI description
Lifetime
Unlimited versions for a single work.
- ✓ Founding + ∞ versions
- ✓ Dispute module
- ✓ Public registry opt-in
- ✓ API access
Be first to certify.
Join the waitlist. We'll notify you the moment OriginMark opens — and you'll get 5 founding certificates free.