ISRC GBBBA1800156
Verified recording
GBBBA1800156 is “String Quartet No. 4 in D Major, Op. 83: 3. Allegretto” by Dmitri Shostakovich,
registered on the CopyrightChains blockchain with CopyrightID
0x38d619ee1f6ef93c4a257941bf297a2009505aacaa430f820fd02d30eb8a1649 and independently timestamped
in Bitcoin block 960321 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA1800156.
Recording identifiers
- ISRC
- GBBBA1800156
- Title
- String Quartet No. 4 in D Major, Op. 83: 3. Allegretto
- Artist
- Dmitri Shostakovich
- CopyrightID (CopyrightChains transaction hash)
0x38d619ee1f6ef93c4a257941bf297a2009505aacaa430f820fd02d30eb8a1649
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T22:27:30+00:00
- Bitcoin block
- 960321
- Canonical record hash
sha256:3abb9a74cdea516a47665e1c8b58f99d3085fb3aee60da4e2db853b484d7c9a9- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA1800156
- Bitcoin block existence check
- https://blockstream.info/api/block/960321
Full record
Track page: String Quartet No. 4 in D Major, Op. 83: 3. Allegretto · Machine-readable JSON-LD