ISRC GBX3U1105146
Verified recording
GBX3U1105146 is “Piano Sonata in F Minor, Op. 14: III. Quasi variazioni - Andantino (De Clara Wieck) - 4 Variations” by Robert Schumann,
registered on the CopyrightChains blockchain with CopyrightID
0x9bf421ec120919a211a54f1a2626c622c2bc5eb576c80748a6f5c98a9bb748d7 and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBX3U1105146.
Recording identifiers
- ISRC
- GBX3U1105146
- Title
- Piano Sonata in F Minor, Op. 14: III. Quasi variazioni - Andantino (De Clara Wieck) - 4 Variations
- Artist
- Robert Schumann
- CopyrightID (CopyrightChains transaction hash)
0x9bf421ec120919a211a54f1a2626c622c2bc5eb576c80748a6f5c98a9bb748d7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:a9defb2714fe74603921091b1aded0475b2c40169b33ac4abb074c4b8cf990bd- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBX3U1105146
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: Piano Sonata in F Minor, Op. 14: III. Quasi variazioni - Andantino (De Clara Wieck) - 4 Variations · Machine-readable JSON-LD