ISRC USBC19705207
Verified recording
USBC19705207 is “24 Preludes, Op. 28: Prelude No. 1 in C” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x56f874bd3f9600736aa25ab84aed92e80034caf1b0ec04b54a64239289b3db50 and independently timestamped
in Bitcoin block 959137 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19705207.
Recording identifiers
- ISRC
- USBC19705207
- Title
- 24 Preludes, Op. 28: Prelude No. 1 in C
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x56f874bd3f9600736aa25ab84aed92e80034caf1b0ec04b54a64239289b3db50
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T14:03:35+00:00
- Bitcoin block
- 959137
- Canonical record hash
sha256:71426fcf18c2ebd62c9925ed8e6fc5e6bc0e887876d71a4f9c6c2ad4e509bb98- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19705207
- Bitcoin block existence check
- https://blockstream.info/api/block/959137
Full record
Track page: 24 Preludes, Op. 28: Prelude No. 1 in C · Machine-readable JSON-LD