ISRC GBLWD1600812
Verified recording
GBLWD1600812 is “String Quartet in C Major, Op. 76 No. 3, Hob. III: 77, "Kaiser": IV. Finale. Presto” by Joseph Haydn,
registered on the CopyrightChains blockchain with CopyrightID
0xa3f699c5d706ff93c6745cfa619694c3a23520163b0d51916c8a80b62a5bff6f and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD1600812.
Recording identifiers
- ISRC
- GBLWD1600812
- Title
- String Quartet in C Major, Op. 76 No. 3, Hob. III: 77, "Kaiser": IV. Finale. Presto
- Artist
- Joseph Haydn
- CopyrightID (CopyrightChains transaction hash)
0xa3f699c5d706ff93c6745cfa619694c3a23520163b0d51916c8a80b62a5bff6f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:58f1a8966416d22d0e9480dec64fbac5e7c858482c24497ea6d5fec4b6b67cec- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD1600812
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: String Quartet in C Major, Op. 76 No. 3, Hob. III: 77, "Kaiser": IV. Finale. Presto · Machine-readable JSON-LD