ISRC FRU621528008
Verified recording
FRU621528008 is “Variations sur un thème original en La Bémol Majeur, Op. 35, D. 813: Variation 6. Maestoso” by Franz Schubert,
registered on the CopyrightChains blockchain with CopyrightID
0xbd4c5998e4ff5f77c5c12347272eee0752065df710b23c2f1b26c59b5d77e9ec and independently timestamped
in Bitcoin block 960478 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRU621528008.
Recording identifiers
- ISRC
- FRU621528008
- Title
- Variations sur un thème original en La Bémol Majeur, Op. 35, D. 813: Variation 6. Maestoso
- Artist
- Franz Schubert
- CopyrightID (CopyrightChains transaction hash)
0xbd4c5998e4ff5f77c5c12347272eee0752065df710b23c2f1b26c59b5d77e9ec
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T23:30:38+00:00
- Bitcoin block
- 960478
- Canonical record hash
sha256:68c71ae4c96b61ecb1b3833dbe383ea6cf02df19364cd5bdecddd0aedf8a9978- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRU621528008
- Bitcoin block existence check
- https://blockstream.info/api/block/960478
Full record
Track page: Variations sur un thème original en La Bémol Majeur, Op. 35, D. 813: Variation 6. Maestoso · Machine-readable JSON-LD