ISRC GBAYC9301546
Verified recording
GBAYC9301546 is “Haydn: String Quartet in G Major, Op. 77 No. 1, Hob. III:81: I. Allegro moderato” by Joseph Haydn,
registered on the CopyrightChains blockchain with CopyrightID
0x4127530f18a04af1d72c8389dce4e586d7bf42fe221594b36ef8649f5d5b4b56 and independently timestamped
in Bitcoin block 956889 on 2026-07-06.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9301546.
Recording identifiers
- ISRC
- GBAYC9301546
- Title
- Haydn: String Quartet in G Major, Op. 77 No. 1, Hob. III:81: I. Allegro moderato
- Artist
- Joseph Haydn
- CopyrightID (CopyrightChains transaction hash)
0x4127530f18a04af1d72c8389dce4e586d7bf42fe221594b36ef8649f5d5b4b56
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-06T06:56:49+00:00
- Bitcoin block
- 956889
- Canonical record hash
sha256:ea57a88d629e850a461accf5ecb8e53409373353e7ce6219188eaaf8437495c1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9301546
- Bitcoin block existence check
- https://blockstream.info/api/block/956889
Full record
Track page: Haydn: String Quartet in G Major, Op. 77 No. 1, Hob. III:81: I. Allegro moderato · Machine-readable JSON-LD