ISRC USBC19801369
Verified recording
USBC19801369 is “Violin Sonata No. 3, WoO 2: III. Intermezzo (Arr. for Cello and Piano)” by Robert Schumann,
registered on the CopyrightChains blockchain with CopyrightID
0x4cb35c504439128cfeb601ae4ceb97bd0c9dcd8ae4f40764ef0bfda4f1e7ffb5 and independently timestamped
in Bitcoin block 960348 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19801369.
Recording identifiers
- ISRC
- USBC19801369
- Title
- Violin Sonata No. 3, WoO 2: III. Intermezzo (Arr. for Cello and Piano)
- Artist
- Robert Schumann
- CopyrightID (CopyrightChains transaction hash)
0x4cb35c504439128cfeb601ae4ceb97bd0c9dcd8ae4f40764ef0bfda4f1e7ffb5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T05:17:02+00:00
- Bitcoin block
- 960348
- Canonical record hash
sha256:e13089350b5d2128824df3d6cb83ca5f603b74095987f63fbdef52d2942921c8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19801369
- Bitcoin block existence check
- https://blockstream.info/api/block/960348
Full record
Track page: Violin Sonata No. 3, WoO 2: III. Intermezzo (Arr. for Cello and Piano) · Machine-readable JSON-LD