ISRC USBC19705219
Verified recording
USBC19705219 is “24 Preludes, Op. 28: Prelude No. 13 in F-sharp” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xe7f30d3211506c4e5b39954fd6c419a32befc21b8c89045734badbd5f9835c84 and independently timestamped
in Bitcoin block 960222 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19705219.
Recording identifiers
- ISRC
- USBC19705219
- Title
- 24 Preludes, Op. 28: Prelude No. 13 in F-sharp
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xe7f30d3211506c4e5b39954fd6c419a32befc21b8c89045734badbd5f9835c84
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T07:48:45+00:00
- Bitcoin block
- 960222
- Canonical record hash
sha256:647452785967fc480cc34af066c30a85117d2dfdc2b8696089386eeefb6ca9e7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19705219
- Bitcoin block existence check
- https://blockstream.info/api/block/960222
Full record
Track page: 24 Preludes, Op. 28: Prelude No. 13 in F-sharp · Machine-readable JSON-LD