ISRC GBBBA1800169
Verified recording
GBBBA1800169 is “String Quartet No. 9 in E-Flat Major, Op. 117: 2. Adagio” by Dmitri Shostakovich,
registered on the CopyrightChains blockchain with CopyrightID
0x9212f3719e473886f6f6f18e6ff83077211a676228c5ac3a2b970cf733965013 and independently timestamped
in Bitcoin block 960368 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA1800169.
Recording identifiers
- ISRC
- GBBBA1800169
- Title
- String Quartet No. 9 in E-Flat Major, Op. 117: 2. Adagio
- Artist
- Dmitri Shostakovich
- CopyrightID (CopyrightChains transaction hash)
0x9212f3719e473886f6f6f18e6ff83077211a676228c5ac3a2b970cf733965013
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T08:26:41+00:00
- Bitcoin block
- 960368
- Canonical record hash
sha256:a049818ee9d823fd1a49da0cbca011610e814a6753d0dbeff1d7ee5e29588eb2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA1800169
- Bitcoin block existence check
- https://blockstream.info/api/block/960368
Full record
Track page: String Quartet No. 9 in E-Flat Major, Op. 117: 2. Adagio · Machine-readable JSON-LD