ISRC DEN960100113
Verified recording
DEN960100113 is “12 Etudes, Op. 10: No. 2 in A Minor "Chromatique"” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x7bf25429b3d7c352cef4ba5b8c8fc99c3bfe6a507756ca72b7517feafc556ee7 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960100113.
Recording identifiers
- ISRC
- DEN960100113
- Title
- 12 Etudes, Op. 10: No. 2 in A Minor "Chromatique"
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x7bf25429b3d7c352cef4ba5b8c8fc99c3bfe6a507756ca72b7517feafc556ee7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:8889899e7f652a3f08a9b880e93e64b3116f011064ce47d3f9fd0bd2027c75ea- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960100113
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: 12 Etudes, Op. 10: No. 2 in A Minor "Chromatique" · Machine-readable JSON-LD