ISRC CZA167201932

Verified recording

CZA167201932 is “Concerto for 2 Horns in E-Flat Major, Hob. VIId:2: I. Allegro maestoso” by Joseph Haydn, registered on the CopyrightChains blockchain with CopyrightID 0xc86e0b8a761212f52f198f70aa811487132e69e808fa1de91dbe544ac13ffb3e and independently timestamped in Bitcoin block 960220 on 2026-07-30. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA167201932.

Recording identifiers

ISRC
CZA167201932
Title
Concerto for 2 Horns in E-Flat Major, Hob. VIId:2: I. Allegro maestoso
Artist
Joseph Haydn
CopyrightID (CopyrightChains transaction hash)
0xc86e0b8a761212f52f198f70aa811487132e69e808fa1de91dbe544ac13ffb3e

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-30T07:28:30+00:00
Bitcoin block
960220
Canonical record hash
sha256:08b944a4c5fc53a8eb15a1358baaac215f7548e0ad951fc75aa7152c1da60297
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA167201932
Bitcoin block existence check
https://blockstream.info/api/block/960220

Full record

Track page: Concerto for 2 Horns in E-Flat Major, Hob. VIId:2: I. Allegro maestoso · Machine-readable JSON-LD