ISRC GBF071503162
Verified recording
GBF071503162 is “Sonata for Viola and Piano, Op. 147: 2. Allegretto” by Dmitri Shostakovich,
registered on the CopyrightChains blockchain with CopyrightID
0xc0880e7ef6467f8e5bf3b5ab03dd6119f52fe3ca13e83d21c90f42acbd8034ea and independently timestamped
in Bitcoin block 956889 on 2026-07-06.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071503162.
Recording identifiers
- ISRC
- GBF071503162
- Title
- Sonata for Viola and Piano, Op. 147: 2. Allegretto
- Artist
- Dmitri Shostakovich
- CopyrightID (CopyrightChains transaction hash)
0xc0880e7ef6467f8e5bf3b5ab03dd6119f52fe3ca13e83d21c90f42acbd8034ea
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-06T06:56:49+00:00
- Bitcoin block
- 956889
- Canonical record hash
sha256:70e0f8d3e8fcc09657a45e80f70fdb95f770683a87255c329673bc1dad9a3d21- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071503162
- Bitcoin block existence check
- https://blockstream.info/api/block/956889
Full record
Track page: Sonata for Viola and Piano, Op. 147: 2. Allegretto · Machine-readable JSON-LD