ISRC USKO11300047
Verified recording
USKO11300047 is “Horn Concerto No. 4 in E-flat Major, K. 495: iii. Rondo: Allegro vivace” by Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x537902b53515db59fbb228b227d814368532be2a9c4e7ee625544c2d423e6265 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/USKO11300047.
Recording identifiers
- ISRC
- USKO11300047
- Title
- Horn Concerto No. 4 in E-flat Major, K. 495: iii. Rondo: Allegro vivace
- Artist
- Mozart
- CopyrightID (CopyrightChains transaction hash)
0x537902b53515db59fbb228b227d814368532be2a9c4e7ee625544c2d423e6265
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:5475b0f80f7567375778e195113bcaa3d4b32e57fdc330b6082d2b85e1dceb56- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USKO11300047
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Horn Concerto No. 4 in E-flat Major, K. 495: iii. Rondo: Allegro vivace · Machine-readable JSON-LD