ISRC GBLWD1600811
Verified recording
GBLWD1600811 is “String Quartet in C Major, Op. 76 No. 3, Hob. III: 77, "Kaiser": III. Menuet. Allegro” by Joseph Haydn,
registered on the CopyrightChains blockchain with CopyrightID
0xb5a3db963cb42cfa766ef1e06b3c13194706b4fe52b5f9421c3f12106ee3f221 and independently timestamped
in Bitcoin block 957124 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD1600811.
Recording identifiers
- ISRC
- GBLWD1600811
- Title
- String Quartet in C Major, Op. 76 No. 3, Hob. III: 77, "Kaiser": III. Menuet. Allegro
- Artist
- Joseph Haydn
- CopyrightID (CopyrightChains transaction hash)
0xb5a3db963cb42cfa766ef1e06b3c13194706b4fe52b5f9421c3f12106ee3f221
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:53:27+00:00
- Bitcoin block
- 957124
- Canonical record hash
sha256:bdd452e937f1d789760a624b6b4d80709d6d89f7587befe2d2fd4c34fe8d03de- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD1600811
- Bitcoin block existence check
- https://blockstream.info/api/block/957124
Full record
Track page: String Quartet in C Major, Op. 76 No. 3, Hob. III: 77, "Kaiser": III. Menuet. Allegro · Machine-readable JSON-LD