ISRC DEN961701830
Verified recording
DEN961701830 is “Nocturne in E Minor, Op. 72, No. 1” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xfe7c2947ca5cd09a88a54895b2d7b30949baa4fb30c23cb16fae5dcfaad4d870 and independently timestamped
in Bitcoin block 960125 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961701830.
Recording identifiers
- ISRC
- DEN961701830
- Title
- Nocturne in E Minor, Op. 72, No. 1
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xfe7c2947ca5cd09a88a54895b2d7b30949baa4fb30c23cb16fae5dcfaad4d870
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T15:38:18+00:00
- Bitcoin block
- 960125
- Canonical record hash
sha256:a5ced1107b48dc5bdf4796be48bb34c364291901cccffae232de915c2587678e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961701830
- Bitcoin block existence check
- https://blockstream.info/api/block/960125
Full record
Track page: Nocturne in E Minor, Op. 72, No. 1 · Machine-readable JSON-LD