ISRC USB8U1072606
Verified recording
USB8U1072606 is “Viola Sonata, Op. 147: II. Allegretto” by Dmitri Shostakovich,
registered on the CopyrightChains blockchain with CopyrightID
0xc351b4927a33ff5c210b2f001a8b56dd5676e0564c96c55e8249a6883e1bd742 and independently timestamped
in Bitcoin block 960222 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1072606.
Recording identifiers
- ISRC
- USB8U1072606
- Title
- Viola Sonata, Op. 147: II. Allegretto
- Artist
- Dmitri Shostakovich
- CopyrightID (CopyrightChains transaction hash)
0xc351b4927a33ff5c210b2f001a8b56dd5676e0564c96c55e8249a6883e1bd742
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T07:48:45+00:00
- Bitcoin block
- 960222
- Canonical record hash
sha256:239325a2da98d24514fd19a85de70afef04297b256f290b3937681fdc74f2133- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1072606
- Bitcoin block existence check
- https://blockstream.info/api/block/960222
Full record
Track page: Viola Sonata, Op. 147: II. Allegretto · Machine-readable JSON-LD