ISRC US4QP0765509
Verified recording
US4QP0765509 is “Sonata No. 1 For Cello And Piano, Op. 52: II. Andante Sostenuto” by Leo Ornstein,
registered on the CopyrightChains blockchain with CopyrightID
0xc71ad182770e524ddf77f0672fedbc820e068f0cc0dbf5aa34a87515bede639a and independently timestamped
in Bitcoin block 960160 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US4QP0765509.
Recording identifiers
- ISRC
- US4QP0765509
- Title
- Sonata No. 1 For Cello And Piano, Op. 52: II. Andante Sostenuto
- Artist
- Leo Ornstein
- CopyrightID (CopyrightChains transaction hash)
0xc71ad182770e524ddf77f0672fedbc820e068f0cc0dbf5aa34a87515bede639a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T22:48:59+00:00
- Bitcoin block
- 960160
- Canonical record hash
sha256:322393e304bd970ab9e5e09fded9070adafcc3b99ec12fad3a2c607946d8b46d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US4QP0765509
- Bitcoin block existence check
- https://blockstream.info/api/block/960160
Full record
Track page: Sonata No. 1 For Cello And Piano, Op. 52: II. Andante Sostenuto · Machine-readable JSON-LD