ISRC GBLLT2025905
Verified recording
GBLLT2025905 is “Clarinet Concerto in A Major, K. 662: II. Adagio - Ronds de jambe à terre” by Andrew Holdsworth,
registered on the CopyrightChains blockchain with CopyrightID
0xaf33090fc5027646602b991257b360b22c0555c1462e9c6757f55f1905accb81 and independently timestamped
in Bitcoin block 960163 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLLT2025905.
Recording identifiers
- ISRC
- GBLLT2025905
- Title
- Clarinet Concerto in A Major, K. 662: II. Adagio - Ronds de jambe à terre
- Artist
- Andrew Holdsworth
- CopyrightID (CopyrightChains transaction hash)
0xaf33090fc5027646602b991257b360b22c0555c1462e9c6757f55f1905accb81
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T23:20:38+00:00
- Bitcoin block
- 960163
- Canonical record hash
sha256:d9bd7a12f2cdaae63f7fa54f83e9134d17fbccf7a6691c758f09761496b11030- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLLT2025905
- Bitcoin block existence check
- https://blockstream.info/api/block/960163
Full record
Track page: Clarinet Concerto in A Major, K. 662: II. Adagio - Ronds de jambe à terre · Machine-readable JSON-LD