ISRC USB8U2012047
Verified recording
USB8U2012047 is “Serenade for Strings in E-Flat Major, Op. 6: IV. Allegro giocoso, ma non troppo presto” by Josef Suk,
registered on the CopyrightChains blockchain with CopyrightID
0xc290fdcd0fceaf4b8f68fd2eb9fd80f4990ecb88d766a3f8e499a1f0ff73bf8c 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/USB8U2012047.
Recording identifiers
- ISRC
- USB8U2012047
- Title
- Serenade for Strings in E-Flat Major, Op. 6: IV. Allegro giocoso, ma non troppo presto
- Artist
- Josef Suk
- CopyrightID (CopyrightChains transaction hash)
0xc290fdcd0fceaf4b8f68fd2eb9fd80f4990ecb88d766a3f8e499a1f0ff73bf8c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:22cd0ca0304e62bd038d9f7a50efca92a0c32e2cd3e9eb30a501c45eee165cc6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U2012047
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Serenade for Strings in E-Flat Major, Op. 6: IV. Allegro giocoso, ma non troppo presto · Machine-readable JSON-LD