ISRC US4QP0765514
Verified recording
US4QP0765514 is “Sonata No. 2 For Cello And Piano” by Leo Ornstein,
registered on the CopyrightChains blockchain with CopyrightID
0x79e923559b7f70bf73993a395a504c2109a544432a1970ae38b7741d38d2b7c4 and independently timestamped
in Bitcoin block 959137 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US4QP0765514.
Recording identifiers
- ISRC
- US4QP0765514
- Title
- Sonata No. 2 For Cello And Piano
- Artist
- Leo Ornstein
- CopyrightID (CopyrightChains transaction hash)
0x79e923559b7f70bf73993a395a504c2109a544432a1970ae38b7741d38d2b7c4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T14:03:35+00:00
- Bitcoin block
- 959137
- Canonical record hash
sha256:b81e1bb2a12c9042f0804612561fb2ca27301b398d0820afb38c1edc8eab1f90- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US4QP0765514
- Bitcoin block existence check
- https://blockstream.info/api/block/959137
Full record
Track page: Sonata No. 2 For Cello And Piano · Machine-readable JSON-LD