ISRC USBC19705217
Verified recording
USBC19705217 is “24 Preludes, Op. 28: Prelude No. 11 in B” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xa50b604d4a2ce32bae1416589a9c512d1ac6436a86f624ceeac86f42d72669e6 and independently timestamped
in Bitcoin block 960106 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19705217.
Recording identifiers
- ISRC
- USBC19705217
- Title
- 24 Preludes, Op. 28: Prelude No. 11 in B
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xa50b604d4a2ce32bae1416589a9c512d1ac6436a86f624ceeac86f42d72669e6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T12:41:21+00:00
- Bitcoin block
- 960106
- Canonical record hash
sha256:195209c37faaf9038655527cc59308a4a0a680339379e4f3fe1739ae9706829d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19705217
- Bitcoin block existence check
- https://blockstream.info/api/block/960106
Full record
Track page: 24 Preludes, Op. 28: Prelude No. 11 in B · Machine-readable JSON-LD