ISRC USSM10204350

Verified recording

USSM10204350 is “Keyboard Sonata in A-Flat Major, Hob. XVI:46: II. Adagio” by Joseph Haydn, registered on the CopyrightChains blockchain with CopyrightID 0xbb3dad41e15b7da473015cddd14c97ee7e6e9312a6ec060162bcd83de11e6fb1 and independently timestamped in Bitcoin block 960268 on 2026-07-30. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10204350.

Recording identifiers

ISRC
USSM10204350
Title
Keyboard Sonata in A-Flat Major, Hob. XVI:46: II. Adagio
Artist
Joseph Haydn
CopyrightID (CopyrightChains transaction hash)
0xbb3dad41e15b7da473015cddd14c97ee7e6e9312a6ec060162bcd83de11e6fb1

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-30T14:53:07+00:00
Bitcoin block
960268
Canonical record hash
sha256:850e1d5d99a80b7668781ec7bad25bbcb8bcbea48b6c1afce641a6b4c98cc80c
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10204350
Bitcoin block existence check
https://blockstream.info/api/block/960268

Full record

Track page: Keyboard Sonata in A-Flat Major, Hob. XVI:46: II. Adagio · Machine-readable JSON-LD