ISRC CAAGN1806905
Verified recording
CAAGN1806905 is “Keyboard Sonata in C Major, Op. 17 No. 4, Hob. XVI:35: II. Adagio” by Joseph Haydn,
registered on the CopyrightChains blockchain with CopyrightID
0xeca1c4fc3876cd6e753ce04c944b8444417b24c2ba23abf246fce0d513c4ec63 and independently timestamped
in Bitcoin block 960317 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAAGN1806905.
Recording identifiers
- ISRC
- CAAGN1806905
- Title
- Keyboard Sonata in C Major, Op. 17 No. 4, Hob. XVI:35: II. Adagio
- Artist
- Joseph Haydn
- CopyrightID (CopyrightChains transaction hash)
0xeca1c4fc3876cd6e753ce04c944b8444417b24c2ba23abf246fce0d513c4ec63
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T21:35:24+00:00
- Bitcoin block
- 960317
- Canonical record hash
sha256:50e7fe236bebdcf546fb3c03690fb36d64df310dff8cbccc95817d20b797e36e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAAGN1806905
- Bitcoin block existence check
- https://blockstream.info/api/block/960317
Full record
Track page: Keyboard Sonata in C Major, Op. 17 No. 4, Hob. XVI:35: II. Adagio · Machine-readable JSON-LD