ISRC CZA168803709
Verified recording
CZA168803709 is “Trumpet Concerto in E-Flat Major, Hob. VIIe:1: III. Allegro” by Joseph Haydn,
registered on the CopyrightChains blockchain with CopyrightID
0x77488ffc02b1a71006c9a5895594db73eed3302e6cd51ec62fe1b7715092ef71 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA168803709.
Recording identifiers
- ISRC
- CZA168803709
- Title
- Trumpet Concerto in E-Flat Major, Hob. VIIe:1: III. Allegro
- Artist
- Joseph Haydn
- CopyrightID (CopyrightChains transaction hash)
0x77488ffc02b1a71006c9a5895594db73eed3302e6cd51ec62fe1b7715092ef71
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:4033c8059fd348eb28003425e33aa8dba141b7b2415e70a803eb7af739070229- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA168803709
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Trumpet Concerto in E-Flat Major, Hob. VIIe:1: III. Allegro · Machine-readable JSON-LD