ISRC GBBBA1800172

Verified recording

GBBBA1800172 is “String Quartet No. 9 in E-Flat Major, Op. 117: 5. Allegro” by Dmitri Shostakovich, registered on the CopyrightChains blockchain with CopyrightID 0xae4aa824d2d68039294d7291bdf7ac68849816037f84356c652a79197641524a 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/GBBBA1800172.

Recording identifiers

ISRC
GBBBA1800172
Title
String Quartet No. 9 in E-Flat Major, Op. 117: 5. Allegro
Artist
Dmitri Shostakovich
CopyrightID (CopyrightChains transaction hash)
0xae4aa824d2d68039294d7291bdf7ac68849816037f84356c652a79197641524a

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T02:19:15+00:00
Bitcoin block
960334
Canonical record hash
sha256:4ad730e8241d4793179aa89d24d0dc5378c4176de50ba9d4f4fcb45c6f6d82e5
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA1800172
Bitcoin block existence check
https://blockstream.info/api/block/960334

Full record

Track page: String Quartet No. 9 in E-Flat Major, Op. 117: 5. Allegro · Machine-readable JSON-LD