ISRC USVZX1907603
Verified recording
USVZX1907603 is “Kaval sviri (Arr. T. Parvanova for Treble Choir) [Live]” by Petar Liondev,
registered on the CopyrightChains blockchain with CopyrightID
0xf611c6039934472a42517aaf3d601410ae372cadd7c7e128cbc1eb6d18667b74 and independently timestamped
in Bitcoin block 960334 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USVZX1907603.
Recording identifiers
- ISRC
- USVZX1907603
- Title
- Kaval sviri (Arr. T. Parvanova for Treble Choir) [Live]
- Artist
- Petar Liondev
- CopyrightID (CopyrightChains transaction hash)
0xf611c6039934472a42517aaf3d601410ae372cadd7c7e128cbc1eb6d18667b74
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:19:15+00:00
- Bitcoin block
- 960334
- Canonical record hash
sha256:1c906cd001093ec23a7dbf004a83752ca7be8264d9443da2f8b72dcc947fd35d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USVZX1907603
- Bitcoin block existence check
- https://blockstream.info/api/block/960334
Full record
Track page: Kaval sviri (Arr. T. Parvanova for Treble Choir) [Live] · Machine-readable JSON-LD