ISRC US4QP0765505
Verified recording
US4QP0765505 is “Six Preludes For Cello And Piano: V. Non Troppo (Quasi Improvisato)” by Leo Ornstein,
registered on the CopyrightChains blockchain with CopyrightID
0xcfebbc4f15e0cfbe5867f52fa3495597a9725792f9b8132fd3827cd84767e01a and independently timestamped
in Bitcoin block 957145 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US4QP0765505.
Recording identifiers
- ISRC
- US4QP0765505
- Title
- Six Preludes For Cello And Piano: V. Non Troppo (Quasi Improvisato)
- Artist
- Leo Ornstein
- CopyrightID (CopyrightChains transaction hash)
0xcfebbc4f15e0cfbe5867f52fa3495597a9725792f9b8132fd3827cd84767e01a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T08:56:20+00:00
- Bitcoin block
- 957145
- Canonical record hash
sha256:227e6feba0a70a52afb67f2c7c3171d654242297c10941f5abb3a378f732ac01- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US4QP0765505
- Bitcoin block existence check
- https://blockstream.info/api/block/957145
Full record
Track page: Six Preludes For Cello And Piano: V. Non Troppo (Quasi Improvisato) · Machine-readable JSON-LD