ISRC GBF077710134
Verified recording
GBF077710134 is “Violin Sonata, CFF 123: IV. Allegretto poco mosso” by César Franck,
registered on the CopyrightChains blockchain with CopyrightID
0xa1622070a81724cf76f8cb49e49a43fd378f25e1cf4f6e0f5aa4700a647f7256 and independently timestamped
in Bitcoin block 960193 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077710134.
Recording identifiers
- ISRC
- GBF077710134
- Title
- Violin Sonata, CFF 123: IV. Allegretto poco mosso
- Artist
- César Franck
- CopyrightID (CopyrightChains transaction hash)
0xa1622070a81724cf76f8cb49e49a43fd378f25e1cf4f6e0f5aa4700a647f7256
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T02:05:19+00:00
- Bitcoin block
- 960193
- Canonical record hash
sha256:cdc9e50eeb1ab4e15a61a3732d59826a549320bbb5381933cad2ebcf69da5cdb- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077710134
- Bitcoin block existence check
- https://blockstream.info/api/block/960193
Full record
Track page: Violin Sonata, CFF 123: IV. Allegretto poco mosso · Machine-readable JSON-LD