ISRC USBC19705230
Verified recording
USBC19705230 is “24 Preludes, Op. 28: Prelude No. 24 in D minor” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xc4d776338a149a211e0180d07b4a73f3166c199bfbd734623be0d754505c8c67 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19705230.
Recording identifiers
- ISRC
- USBC19705230
- Title
- 24 Preludes, Op. 28: Prelude No. 24 in D minor
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xc4d776338a149a211e0180d07b4a73f3166c199bfbd734623be0d754505c8c67
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:d1e85dfd5e1dacb27025d4d91dca52c637809498011c85ceeb1e553be8a1ee48- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19705230
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: 24 Preludes, Op. 28: Prelude No. 24 in D minor · Machine-readable JSON-LD