ISRC QZFZ72149757
Verified recording
QZFZ72149757 is “Sonata en La Menor: Andante” by Schubert,
registered on the CopyrightChains blockchain with CopyrightID
0x7630191d643a202423faebb1af27690b5ad166403984aa154614239b9f61ed29 and independently timestamped
in Bitcoin block 960468 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ72149757.
Recording identifiers
- ISRC
- QZFZ72149757
- Title
- Sonata en La Menor: Andante
- Artist
- Schubert
- CopyrightID (CopyrightChains transaction hash)
0x7630191d643a202423faebb1af27690b5ad166403984aa154614239b9f61ed29
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T21:25:57+00:00
- Bitcoin block
- 960468
- Canonical record hash
sha256:9e97c3e62987eb31ed6e9ab720fd71e257295fef6c9265a2c1de87710b4e1ebe- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ72149757
- Bitcoin block existence check
- https://blockstream.info/api/block/960468
Full record
Track page: Sonata en La Menor: Andante · Machine-readable JSON-LD