ISRC USBC19901793
Verified recording
USBC19901793 is “24 Preludes, Op. 28: Prelude No. 19 in E-Flat Major” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x1d038eb0b076ca216b01abf589dced729d394e4477c2afa1b345d1439edb4422 and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19901793.
Recording identifiers
- ISRC
- USBC19901793
- Title
- 24 Preludes, Op. 28: Prelude No. 19 in E-Flat Major
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x1d038eb0b076ca216b01abf589dced729d394e4477c2afa1b345d1439edb4422
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:1b87a7dbdd7c3138d0f8cc2a26ec3ee04d8b553a2956ec32bc08d6d829fad890- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19901793
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: 24 Preludes, Op. 28: Prelude No. 19 in E-Flat Major · Machine-readable JSON-LD