ISRC GBBBA1800180
Verified recording
GBBBA1800180 is “String Quartet No. 11 in F Minor, Op. 122: 4. Etude: Allegro” by Dmitri Shostakovich,
registered on the CopyrightChains blockchain with CopyrightID
0x7d6015faebf79dc13fe1c922a9b66ac3acc80cc639f0a186ae2a7081a2e789d2 and independently timestamped
in Bitcoin block 960327 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA1800180.
Recording identifiers
- ISRC
- GBBBA1800180
- Title
- String Quartet No. 11 in F Minor, Op. 122: 4. Etude: Allegro
- Artist
- Dmitri Shostakovich
- CopyrightID (CopyrightChains transaction hash)
0x7d6015faebf79dc13fe1c922a9b66ac3acc80cc639f0a186ae2a7081a2e789d2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T00:26:26+00:00
- Bitcoin block
- 960327
- Canonical record hash
sha256:cdc03f68e7206e7d7d825d3ebacb426f69a000aec6449fc41c23c443933576da- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA1800180
- Bitcoin block existence check
- https://blockstream.info/api/block/960327
Full record
Track page: String Quartet No. 11 in F Minor, Op. 122: 4. Etude: Allegro · Machine-readable JSON-LD