ISRC GBLWD1602921
Verified recording
GBLWD1602921 is “Sonata for Clarinet and Piano: II. Andante” by Carlos Guastavino,
registered on the CopyrightChains blockchain with CopyrightID
0x08f78eaaa17ea31f48935151b90975e288d065c735191f4364c74d9003d61316 and independently timestamped
in Bitcoin block 960264 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD1602921.
Recording identifiers
- ISRC
- GBLWD1602921
- Title
- Sonata for Clarinet and Piano: II. Andante
- Artist
- Carlos Guastavino
- CopyrightID (CopyrightChains transaction hash)
0x08f78eaaa17ea31f48935151b90975e288d065c735191f4364c74d9003d61316
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T14:36:16+00:00
- Bitcoin block
- 960264
- Canonical record hash
sha256:26e1e67a975501bf1f9476884ab0d840508158785d20efebe186884e520a18a3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD1602921
- Bitcoin block existence check
- https://blockstream.info/api/block/960264
Full record
Track page: Sonata for Clarinet and Piano: II. Andante · Machine-readable JSON-LD