ISRC USBC19803379
Verified recording
USBC19803379 is “Scherzo No. 4, Op. 54” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xa9016ee0059480e547d0f7f7066dd5dba2ef01ea7f45a93c4ee12ad8b69ee95a and independently timestamped
in Bitcoin block 959159 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19803379.
Recording identifiers
- ISRC
- USBC19803379
- Title
- Scherzo No. 4, Op. 54
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xa9016ee0059480e547d0f7f7066dd5dba2ef01ea7f45a93c4ee12ad8b69ee95a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T17:48:40+00:00
- Bitcoin block
- 959159
- Canonical record hash
sha256:9bcca7c36266a2be31d6b6d2aa7c52947764d34f66f59cb7a66254789b1b4f03- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19803379
- Bitcoin block existence check
- https://blockstream.info/api/block/959159
Full record
Track page: Scherzo No. 4, Op. 54 · Machine-readable JSON-LD