ISRC GBAYC9802939
Verified recording
GBAYC9802939 is “Haydn: String Quartet in G Major, Op. 76 No. 1, Hob. III:75: II. Adagio sostenuto” by Joseph Haydn,
registered on the CopyrightChains blockchain with CopyrightID
0x0ada6ed8d775d6d6a16d161a4190d4ce133909536cf73af80edbd3c6571ca9b6 and independently timestamped
in Bitcoin block 960327 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9802939.
Recording identifiers
- ISRC
- GBAYC9802939
- Title
- Haydn: String Quartet in G Major, Op. 76 No. 1, Hob. III:75: II. Adagio sostenuto
- Artist
- Joseph Haydn
- CopyrightID (CopyrightChains transaction hash)
0x0ada6ed8d775d6d6a16d161a4190d4ce133909536cf73af80edbd3c6571ca9b6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T00:26:26+00:00
- Bitcoin block
- 960327
- Canonical record hash
sha256:c4c6a716105786b95931f2558b024320552e9ca128312cbf83e272be9894d987- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9802939
- Bitcoin block existence check
- https://blockstream.info/api/block/960327
Full record
Track page: Haydn: String Quartet in G Major, Op. 76 No. 1, Hob. III:75: II. Adagio sostenuto · Machine-readable JSON-LD