ISRC USKO11300050
Verified recording
USKO11300050 is “Horn Concerto No. 2 in E-flat Major, K. 417: iii. Rondo: Allegro” by Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x259d17ad45fb100f13d54e9f1e0bfcda9a8e5150763e5866c8872cbfa13b3bdb and independently timestamped
in Bitcoin block 957050 on 2026-07-07.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USKO11300050.
Recording identifiers
- ISRC
- USKO11300050
- Title
- Horn Concerto No. 2 in E-flat Major, K. 417: iii. Rondo: Allegro
- Artist
- Mozart
- CopyrightID (CopyrightChains transaction hash)
0x259d17ad45fb100f13d54e9f1e0bfcda9a8e5150763e5866c8872cbfa13b3bdb
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-07T14:41:13+00:00
- Bitcoin block
- 957050
- Canonical record hash
sha256:d4ae4b197f6da6845d9a71dd5db9851afbee3428b3a9358fecc7dd8dca0d3c02- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USKO11300050
- Bitcoin block existence check
- https://blockstream.info/api/block/957050
Full record
Track page: Horn Concerto No. 2 in E-flat Major, K. 417: iii. Rondo: Allegro · Machine-readable JSON-LD