ISRC GBBBA1800147
Verified recording
GBBBA1800147 is “String Quartet No. 2 in A Major, Op. 68: 3. Valse (Allegro)” by Dmitri Shostakovich,
registered on the CopyrightChains blockchain with CopyrightID
0x1742322dbb416f4521904ddc909cedfd2fa5fd8318a13366db89bfaafa47e907 and independently timestamped
in Bitcoin block 960284 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA1800147.
Recording identifiers
- ISRC
- GBBBA1800147
- Title
- String Quartet No. 2 in A Major, Op. 68: 3. Valse (Allegro)
- Artist
- Dmitri Shostakovich
- CopyrightID (CopyrightChains transaction hash)
0x1742322dbb416f4521904ddc909cedfd2fa5fd8318a13366db89bfaafa47e907
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T17:23:26+00:00
- Bitcoin block
- 960284
- Canonical record hash
sha256:8f07b27d506eff8e3875c15914855a9d5530b45ee6a37edffaa7ca5e896e0d99- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA1800147
- Bitcoin block existence check
- https://blockstream.info/api/block/960284
Full record
Track page: String Quartet No. 2 in A Major, Op. 68: 3. Valse (Allegro) · Machine-readable JSON-LD