ISRC QZFZ72149758
Verified recording
QZFZ72149758 is “Sonata en La Menor: Menuetto. Allegro” by Schubert,
registered on the CopyrightChains blockchain with CopyrightID
0x21d731e933468e4e5e545c6f18f3c7ef65fd7260194353215e725c492e0d52c8 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/QZFZ72149758.
Recording identifiers
- ISRC
- QZFZ72149758
- Title
- Sonata en La Menor: Menuetto. Allegro
- Artist
- Schubert
- CopyrightID (CopyrightChains transaction hash)
0x21d731e933468e4e5e545c6f18f3c7ef65fd7260194353215e725c492e0d52c8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T21:25:57+00:00
- Bitcoin block
- 960468
- Canonical record hash
sha256:d17687963a0664426e44b00c9b3c201858e777f33ca7d78923accb9c286a77b5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ72149758
- Bitcoin block existence check
- https://blockstream.info/api/block/960468
Full record
Track page: Sonata en La Menor: Menuetto. Allegro · Machine-readable JSON-LD