ISRC CAAGN1806906
Verified recording
CAAGN1806906 is “Keyboard Sonata in C Major, Op. 17 No. 4, Hob. XVI:35: III. Finale. Allegro” by Joseph Haydn,
registered on the CopyrightChains blockchain with CopyrightID
0xb4ee6c22321faf0568868c259c92f3ea3cd542a5d44f0f1e1cffe8b6dbddb429 and independently timestamped
in Bitcoin block 960339 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAAGN1806906.
Recording identifiers
- ISRC
- CAAGN1806906
- Title
- Keyboard Sonata in C Major, Op. 17 No. 4, Hob. XVI:35: III. Finale. Allegro
- Artist
- Joseph Haydn
- CopyrightID (CopyrightChains transaction hash)
0xb4ee6c22321faf0568868c259c92f3ea3cd542a5d44f0f1e1cffe8b6dbddb429
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T03:13:37+00:00
- Bitcoin block
- 960339
- Canonical record hash
sha256:49b2bb162b7deacbab34b7f460ca4a801702adfd7bf3a5d62203b698ad8b6923- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAAGN1806906
- Bitcoin block existence check
- https://blockstream.info/api/block/960339
Full record
Track page: Keyboard Sonata in C Major, Op. 17 No. 4, Hob. XVI:35: III. Finale. Allegro · Machine-readable JSON-LD