ISRC GBBBA1800170
Verified recording
GBBBA1800170 is “String Quartet No. 9 in E-Flat Major, Op. 117: 3. Allegretto” by Dmitri Shostakovich,
registered on the CopyrightChains blockchain with CopyrightID
0x3581471bfe1612ad8b3a3673c76785347e696f4d85b0f83109da353319f3003e 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/GBBBA1800170.
Recording identifiers
- ISRC
- GBBBA1800170
- Title
- String Quartet No. 9 in E-Flat Major, Op. 117: 3. Allegretto
- Artist
- Dmitri Shostakovich
- CopyrightID (CopyrightChains transaction hash)
0x3581471bfe1612ad8b3a3673c76785347e696f4d85b0f83109da353319f3003e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T05:17:02+00:00
- Bitcoin block
- 960348
- Canonical record hash
sha256:b07368aff21cc649c05ce48f9c35d108fe1a6b3a2997027090ff73b4060063fd- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA1800170
- Bitcoin block existence check
- https://blockstream.info/api/block/960348
Full record
Track page: String Quartet No. 9 in E-Flat Major, Op. 117: 3. Allegretto · Machine-readable JSON-LD