ISRC USB8U1521007
Verified recording
USB8U1521007 is “Sinfonietta, JW VI/18: Sokol Fanfare” by Leoš Janáček,
registered on the CopyrightChains blockchain with CopyrightID
0xe05e8639dbc483bed408d9fb9166f3dbe72eb149fc3b4253cc2d7023071b3929 and independently timestamped
in Bitcoin block 960150 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1521007.
Recording identifiers
- ISRC
- USB8U1521007
- Title
- Sinfonietta, JW VI/18: Sokol Fanfare
- Artist
- Leoš Janáček
- CopyrightID (CopyrightChains transaction hash)
0xe05e8639dbc483bed408d9fb9166f3dbe72eb149fc3b4253cc2d7023071b3929
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T21:51:49+00:00
- Bitcoin block
- 960150
- Canonical record hash
sha256:89c95d82683d04e148cc509af03639a9f4c6026c353de48f0678aaf967a882ff- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1521007
- Bitcoin block existence check
- https://blockstream.info/api/block/960150
Full record
Track page: Sinfonietta, JW VI/18: Sokol Fanfare · Machine-readable JSON-LD