ISRC GBBBC2200639
Verified recording
GBBBC2200639 is “12 Etudes, Op. 10: No. 3 in E Major "Tristesse"” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x9b291e959dbfe597d103daa17106ebd8824b1b5aab413b92ebb0ed795e5d9a6f and independently timestamped
in Bitcoin block 960247 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBC2200639.
Recording identifiers
- ISRC
- GBBBC2200639
- Title
- 12 Etudes, Op. 10: No. 3 in E Major "Tristesse"
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x9b291e959dbfe597d103daa17106ebd8824b1b5aab413b92ebb0ed795e5d9a6f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T10:42:33+00:00
- Bitcoin block
- 960247
- Canonical record hash
sha256:6ad9db1bcd8424b1408373fc1440d1e08a5d684d3c26de74f779b04bf1f05e53- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBC2200639
- Bitcoin block existence check
- https://blockstream.info/api/block/960247
Full record
Track page: 12 Etudes, Op. 10: No. 3 in E Major "Tristesse" · Machine-readable JSON-LD