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