ISRC HKI190721514
Verified recording
HKI190721514 is “Keyboard Sonata in B-Flat Major, Op. 17, No. 6, W. A12: III. Prestissimo” by Johann Christian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0xad9b38524fc64dbe571c6eb325445062c4610c178998958ec4ed666508062cfa 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/HKI190721514.
Recording identifiers
- ISRC
- HKI190721514
- Title
- Keyboard Sonata in B-Flat Major, Op. 17, No. 6, W. A12: III. Prestissimo
- Artist
- Johann Christian Bach
- CopyrightID (CopyrightChains transaction hash)
0xad9b38524fc64dbe571c6eb325445062c4610c178998958ec4ed666508062cfa
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:1b233a7ce14e0d3fd37c32c1ce6f45e5a2b6a92fdf692ad72a7071af53834c13- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190721514
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: Keyboard Sonata in B-Flat Major, Op. 17, No. 6, W. A12: III. Prestissimo · Machine-readable JSON-LD