ISRC USKO11300044
Verified recording
USKO11300044 is “Horn Concerto No. 3 in E-flat Major, K. 447: iii. Rondo: Allegro” by Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x686ba44d798912b14d2e102fa80e33a2452969b6dbadd40eb8721ef898ff1711 and independently timestamped
in Bitcoin block 956889 on 2026-07-06.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USKO11300044.
Recording identifiers
- ISRC
- USKO11300044
- Title
- Horn Concerto No. 3 in E-flat Major, K. 447: iii. Rondo: Allegro
- Artist
- Mozart
- CopyrightID (CopyrightChains transaction hash)
0x686ba44d798912b14d2e102fa80e33a2452969b6dbadd40eb8721ef898ff1711
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-06T06:56:49+00:00
- Bitcoin block
- 956889
- Canonical record hash
sha256:b5d45d32d32a36ae77238e3f6b3161064ac434a0109d40a1abb5d48bcb33f508- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USKO11300044
- Bitcoin block existence check
- https://blockstream.info/api/block/956889
Full record
Track page: Horn Concerto No. 3 in E-flat Major, K. 447: iii. Rondo: Allegro · Machine-readable JSON-LD