ISRC HKI199939304
Verified recording
HKI199939304 is “Trumpet Concerto in C Major, P. 34: I. Adagio” by Michael Haydn,
registered on the CopyrightChains blockchain with CopyrightID
0x7b1ab93269a586893df399082513a940e34d5ef05eb65a902e1418dc4f38027f and independently timestamped
in Bitcoin block 960259 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199939304.
Recording identifiers
- ISRC
- HKI199939304
- Title
- Trumpet Concerto in C Major, P. 34: I. Adagio
- Artist
- Michael Haydn
- CopyrightID (CopyrightChains transaction hash)
0x7b1ab93269a586893df399082513a940e34d5ef05eb65a902e1418dc4f38027f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T12:51:24+00:00
- Bitcoin block
- 960259
- Canonical record hash
sha256:4a3a049ac5f4c59fd65ff707c8b04142e787f31c1afbb4a86782c91967b095c3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199939304
- Bitcoin block existence check
- https://blockstream.info/api/block/960259
Full record
Track page: Trumpet Concerto in C Major, P. 34: I. Adagio · Machine-readable JSON-LD