Register and verify cryptographic hashes on a decentralized, immutable ledger. Create undeniable proof of document existence and integrity that lasts forever.
Simple, secure, and permanent hash registration in four steps
Upload your file or paste a pre-computed hash to the registry network.
Your hash is permanently recorded on multiple blockchain networks.
Receive a cryptographic certificate with all verification details.
Anyone can verify your hash against the registry at any time.
Enterprise-grade features for hash registration and verification
Your hashes are anchored to Bitcoin, Ethereum, and other blockchains for maximum redundancy.
Anyone can verify a hash against the registry without an account or API key.
Complete history of all verifications with detailed logs and analytics.
Create private hash registries for sensitive internal documents.
Register thousands of hashes in a single transaction for efficiency.
Full-featured API for programmatic hash registration and verification.
See the hash registry in action
| Hash (SHA-256) | Timestamp | Block | Status |
|---|---|---|---|
| a1b2c3d4...e5f6789a | 2026-02-27 12:15:32 UTC | #1,847,293 | VERIFIED |
| f9e8d7c6...b5a49382 | 2026-02-27 12:14:18 UTC | #1,847,292 | VERIFIED |
| 2b3c4d5e...f6a7b8c9 | 2026-02-27 12:12:45 UTC | #1,847,291 | VERIFIED |
| 7d8e9f0a...1b2c3d4e | 2026-02-27 12:11:22 UTC | #1,847,290 | PENDING |
Trusted across industries for critical verification needs
Prove that contracts, agreements, and legal documents haven't been altered since registration.
Register hashes of software releases to ensure users download authentic binaries.
Universities can register diploma hashes for instant verification by employers.
Government agencies can maintain tamper-proof registries of official documents.
Establish provenance and authenticity for digital artwork and collectibles.
Verify the integrity of shipping manifests, certificates of origin, and inspection reports.
Pay only for what you use, or choose unlimited plans
Create permanent, verifiable records of your digital assets. Join thousands of organizations trusting HashRegistry.