ISRC USBC19901780
Verified recording
USBC19901780 is “24 Preludes, Op. 28: Prelude No. 6 in B Minor” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x30f4328760ebc08b8e76c7babd3a8095fe71e58d8d357fb739f3999459528a0e and independently timestamped
in Bitcoin block 957073 on 2026-07-07.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19901780.
Recording identifiers
- ISRC
- USBC19901780
- Title
- 24 Preludes, Op. 28: Prelude No. 6 in B Minor
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x30f4328760ebc08b8e76c7babd3a8095fe71e58d8d357fb739f3999459528a0e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-07T18:39:05+00:00
- Bitcoin block
- 957073
- Canonical record hash
sha256:c0d123597ab050afa252746e1d2d75370e92935fc2d15e667de4ac10e8431cff- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19901780
- Bitcoin block existence check
- https://blockstream.info/api/block/957073
Full record
Track page: 24 Preludes, Op. 28: Prelude No. 6 in B Minor · Machine-readable JSON-LD