ISRC US4QP0765501
Verified recording
US4QP0765501 is “Six Preludes For Cello And Piano: I. Moderato Sostenuto” by Leo Ornstein,
registered on the CopyrightChains blockchain with CopyrightID
0x6109a79aae713a89ae0e43191bfa0d688cfcbef0d32bb94e6ba0d9c833774f3a 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/US4QP0765501.
Recording identifiers
- ISRC
- US4QP0765501
- Title
- Six Preludes For Cello And Piano: I. Moderato Sostenuto
- Artist
- Leo Ornstein
- CopyrightID (CopyrightChains transaction hash)
0x6109a79aae713a89ae0e43191bfa0d688cfcbef0d32bb94e6ba0d9c833774f3a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:ca57318df7eee0e2a415ad37799d673d97dd8eaf9a40bead09fbaf9e4a619a88- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US4QP0765501
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Six Preludes For Cello And Piano: I. Moderato Sostenuto · Machine-readable JSON-LD