ISRC USBC19901785
Verified recording
USBC19901785 is “24 Preludes, Op. 28: Prelude No. 11 in B Major” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x51abf17a36492756b94ff4c1bffb5ed66e87330318b64d79806a909a192754e7 and independently timestamped
in Bitcoin block 960207 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19901785.
Recording identifiers
- ISRC
- USBC19901785
- Title
- 24 Preludes, Op. 28: Prelude No. 11 in B Major
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x51abf17a36492756b94ff4c1bffb5ed66e87330318b64d79806a909a192754e7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T04:47:22+00:00
- Bitcoin block
- 960207
- Canonical record hash
sha256:c9e9a3535a98c1dd3294ebd46d64c45464747fad52feba7f87aac2a93d462a02- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19901785
- Bitcoin block existence check
- https://blockstream.info/api/block/960207
Full record
Track page: 24 Preludes, Op. 28: Prelude No. 11 in B Major · Machine-readable JSON-LD