ISRC GBLWD1600906
Verified recording
GBLWD1600906 is “String Quartet in D Major, Op. 76 No. 5, Hob. III: 79: II. Largo. Cantabile e mesto” by Joseph Haydn,
registered on the CopyrightChains blockchain with CopyrightID
0x32ac4c92350175ca5079bf8ddd3cdb660d4d8f1cc8032218b9f9eccc5fca7b45 and independently timestamped
in Bitcoin block 960216 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD1600906.
Recording identifiers
- ISRC
- GBLWD1600906
- Title
- String Quartet in D Major, Op. 76 No. 5, Hob. III: 79: II. Largo. Cantabile e mesto
- Artist
- Joseph Haydn
- CopyrightID (CopyrightChains transaction hash)
0x32ac4c92350175ca5079bf8ddd3cdb660d4d8f1cc8032218b9f9eccc5fca7b45
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T06:39:12+00:00
- Bitcoin block
- 960216
- Canonical record hash
sha256:a76b88489dee04629db21b3e270d9d52ddfb7019690ec0fc9d26514ae90245be- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD1600906
- Bitcoin block existence check
- https://blockstream.info/api/block/960216
Full record
Track page: String Quartet in D Major, Op. 76 No. 5, Hob. III: 79: II. Largo. Cantabile e mesto · Machine-readable JSON-LD