ISRC CAAGN1806904
Verified recording
CAAGN1806904 is “Keyboard Sonata in C Major, Op. 17 No. 4, Hob. XVI:35: I. Allegro con brio” by Joseph Haydn,
registered on the CopyrightChains blockchain with CopyrightID
0xf9347ca0683a758a75035cfffd5e89c21f8f1aaec71c6a8f2c9829b554ae0d5e and independently timestamped
in Bitcoin block 960302 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAAGN1806904.
Recording identifiers
- ISRC
- CAAGN1806904
- Title
- Keyboard Sonata in C Major, Op. 17 No. 4, Hob. XVI:35: I. Allegro con brio
- Artist
- Joseph Haydn
- CopyrightID (CopyrightChains transaction hash)
0xf9347ca0683a758a75035cfffd5e89c21f8f1aaec71c6a8f2c9829b554ae0d5e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T20:09:33+00:00
- Bitcoin block
- 960302
- Canonical record hash
sha256:2d42527e7c592568284ac9f2dd958c95afe9959c12458812d859055c016febe2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAAGN1806904
- Bitcoin block existence check
- https://blockstream.info/api/block/960302
Full record
Track page: Keyboard Sonata in C Major, Op. 17 No. 4, Hob. XVI:35: I. Allegro con brio · Machine-readable JSON-LD