ISRC GBLWD1600804
Verified recording
GBLWD1600804 is “String Quartet in G Major, Op. 76 No. 1, Hob. III: 75: IV. Finale. Allegro ma non troppo” by Joseph Haydn,
registered on the CopyrightChains blockchain with CopyrightID
0x00f98cb93dd56c04b33a5da8b9ef0306eb1db197aa2b8f7eb9439b0cf874e1c9 and independently timestamped
in Bitcoin block 960266 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD1600804.
Recording identifiers
- ISRC
- GBLWD1600804
- Title
- String Quartet in G Major, Op. 76 No. 1, Hob. III: 75: IV. Finale. Allegro ma non troppo
- Artist
- Joseph Haydn
- CopyrightID (CopyrightChains transaction hash)
0x00f98cb93dd56c04b33a5da8b9ef0306eb1db197aa2b8f7eb9439b0cf874e1c9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T14:44:50+00:00
- Bitcoin block
- 960266
- Canonical record hash
sha256:30b6d94f70ae0c5e6f89fed1bd2b51bc76f817a8cf2c8f1e402ad444cea41cf8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD1600804
- Bitcoin block existence check
- https://blockstream.info/api/block/960266
Full record
Track page: String Quartet in G Major, Op. 76 No. 1, Hob. III: 75: IV. Finale. Allegro ma non troppo · Machine-readable JSON-LD