ISRC HKI199939305
Verified recording
HKI199939305 is “Trumpet Concerto in C Major, P. 34: II. Allegro molto” by Michael Haydn,
registered on the CopyrightChains blockchain with CopyrightID
0x6bfa8965543d3645b8fafbce6b71aa4ce88242ce06394b6edcdd70c4e48b9981 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199939305.
Recording identifiers
- ISRC
- HKI199939305
- Title
- Trumpet Concerto in C Major, P. 34: II. Allegro molto
- Artist
- Michael Haydn
- CopyrightID (CopyrightChains transaction hash)
0x6bfa8965543d3645b8fafbce6b71aa4ce88242ce06394b6edcdd70c4e48b9981
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:5d8c058b763c3c2003a7e05d16d3757a0ff173028704c1a0dd03020e93a177ca- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199939305
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Trumpet Concerto in C Major, P. 34: II. Allegro molto · Machine-readable JSON-LD