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🕒 RFC 3161 · Polygon Network

Don't lose your effort,
prove it.

In this era of rapidly multiplying digital content, secure your effort with an independent cryptographic stamp compliant with international standards; prove the work and its existence at a specific date.

HS

CERTIFICATE

of existence

This certifies the artistic origin of
Ludwig van Beethoven
and the masterwork
"Moonlight Sonata"
Asset Hash (SHA-256)
59187fbb6e13495aa9f4bf8dafad1412e5695e77b093ea8f163d85bd9b49096f
TSA Provider
DigiCert Trusted G4 TimeStamping RSA4096 SHA256 2025 CA1
TSA Serial Number
2640fb765773ba7923db4e3fb4e0ea20
TSA Time Verdict
2026-07-13 09:50:30
Blockchain Network
Polygon Mainnet
Blockchain Tx ID
0x3c9f9342ba77642f1ad7ed72c21508ec82e67bc40a79f73298bea7c93ceb6767

Verification Code: HS-DEA7ECCFAE73

Waiting...

Cryptographic Ledger Hash

0x3c9f9342ba77642f1ad7ed72c21508ec82e67bc40a79f73298bea7c93ceb6767

HOMOSTAMP
VERIFIED
✓ VALID

Author / Owner

Uploads the work and claims ownership.

System

Performs analysis and extracts the digital fingerprint.

TSA (Timestamping)

Sealed with an RFC3161-compliant trusted timestamp.

Blockchain

Stores it as an immutable public record.

Music & Audio
Fashion & Design
Fine Art & Graphics
Literature & Scripts
Architecture & Blueprint
Crypto & NFT Tokens
Legal & Contracts
Core Features

Robust Legal and Cryptographic Infrastructure

Every layer of the system is designed to protect your proof independently and permanently.

RFC 3161 Standards

Thanks to our multi-authority network, even if a server goes offline, the transition happens seamlessly without interruption.

Permanent Chain Registry

No temporary caching. Your proof seal is written directly into the blockchain and cannot be modified.

🕒

Atomic Clock

Your documents are prepared using the atomic clock provided by international authorities.

🔒

Zero-Knowledge Upload

Your original files are never permanently stored on our servers unless you explicitly request archiving.

📄

Portable Proof Bundle

Each stamp generates an independent PDF certificate and an RFC 3161 compliant raw .tsr file.

🛡️

GDPR Compliant

Only the hash, timestamp, and chain reference are stored. No personal data is ever processed.

Pricing

No Subscriptions. Easy Credit System.

1 credit corresponds to a single, permanent, and unalterable registration process.

Starter Pack

Perfect for individual creators, developers, and testing out standalone file proofs.

Trusted Credit Power 10 Credits
$ 10 .00 USD
Lifetime Validity

Professional Pack

POPULAR

Best value for freelancers, small business owners, and active digital asset protection.

Trusted Credit Power 50 Credits
$ 39 .00 USD
Lifetime Validity

Enterprise Pack

Bulk cryptographic stamping for high-volume platforms, legal departments, or agency use.

Trusted Credit Power 250 Credits
$ 149 .00 USD
Lifetime Validity
Open Standards

Independent Proof Infrastructure

Homostamp uses open-source cryptographic standards for stamping. You are not dependent on our platform to verify the authenticity of your works; even if the system goes down, you can always prove your ownership via the independent verification page.

🔍 Visit Independent Page
Start for Free

Let your digital effort defend itself.

In an age of infinite replication and synthetic generation, human authenticity is your greatest asset. Get your timestamp now.

🔒 SHA-256
🛡️ GDPR Compliant
⛓️ Polygon Mainnet