ISRC HKI190305203
Verified recording
HKI190305203 is “Trumpet Concerto in E Major, WoO 1, S49: Rondo” by Johann Nepomuk Hummel,
registered on the CopyrightChains blockchain with CopyrightID
0x88fbecbac494090c9d658e9e4e903b6a76170f7ef4230ee1358c32206a60cf80 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/HKI190305203.
Recording identifiers
- ISRC
- HKI190305203
- Title
- Trumpet Concerto in E Major, WoO 1, S49: Rondo
- Artist
- Johann Nepomuk Hummel
- CopyrightID (CopyrightChains transaction hash)
0x88fbecbac494090c9d658e9e4e903b6a76170f7ef4230ee1358c32206a60cf80
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:af9bffe1b305d002a1392a30e3b8b39a69f5c7b47b89df8da31fd8e2a3199a46- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190305203
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Trumpet Concerto in E Major, WoO 1, S49: Rondo · Machine-readable JSON-LD