Timestamp your sound
Create tamper-proof timestamps for your original music using OpenTimestamps. Prove exactly when your song existed on the Bitcoin blockchain.
Your music and lyrics NEVER leave your device. Only cryptographic hashes are generated locally in your browser, then timestamped on Bitcoin.
Zero Upload
Files are processed entirely in your browser using the Web Crypto API. Nothing is sent to any server.
Bitcoin Timestamped
Your song's hash is anchored to the Bitcoin blockchain via OpenTimestamps, creating permanent proof.
Ownership Verified
The timestamp proof verifies your ownership at a specific point in time, settling copyright disputes.
How it works
Add your song details
Enter the title and optional notes. Pick a date.
Drop in your files
Audio, lyrics -- processed in your browser. Never uploaded.
Get your proof hash
A unique SHA-256 fingerprint that proves your song existed at this moment.