ISRC USB8U1072607
Verified recording
USB8U1072607 is “Viola Sonata, Op. 147: III. Adagio” by Dmitri Shostakovich,
registered on the CopyrightChains blockchain with CopyrightID
0x881e380475887cf67da9778696412b056a3ba8c723d694957bbb6cd538d821ba and independently timestamped
in Bitcoin block 960334 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1072607.
Recording identifiers
- ISRC
- USB8U1072607
- Title
- Viola Sonata, Op. 147: III. Adagio
- Artist
- Dmitri Shostakovich
- CopyrightID (CopyrightChains transaction hash)
0x881e380475887cf67da9778696412b056a3ba8c723d694957bbb6cd538d821ba
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:19:15+00:00
- Bitcoin block
- 960334
- Canonical record hash
sha256:b4ade73f60f3b7446dced612f86b69fa6249c5535ebfb69e7381f1ef155d4b49- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1072607
- Bitcoin block existence check
- https://blockstream.info/api/block/960334
Full record
Track page: Viola Sonata, Op. 147: III. Adagio · Machine-readable JSON-LD