ISRC GBAYC9301551

Verified recording

GBAYC9301551 is “Haydn: String Quartet in F Major, Op. 77 No. 2, Hob. III:82: I. Allegro moderato” by Joseph Haydn, registered on the CopyrightChains blockchain with CopyrightID 0x21e2dcd0aa913e6186294661336d56d9a40ae5401e5c523b86770699e6bcb3c0 and independently timestamped in Bitcoin block 960291 on 2026-07-30. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9301551.

Recording identifiers

ISRC
GBAYC9301551
Title
Haydn: String Quartet in F Major, Op. 77 No. 2, Hob. III:82: I. Allegro moderato
Artist
Joseph Haydn
CopyrightID (CopyrightChains transaction hash)
0x21e2dcd0aa913e6186294661336d56d9a40ae5401e5c523b86770699e6bcb3c0

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-30T18:23:33+00:00
Bitcoin block
960291
Canonical record hash
sha256:863f30864aa32cf577bd98b2233a0d24ecc9c950577cfa24f177995526ee6752
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9301551
Bitcoin block existence check
https://blockstream.info/api/block/960291

Full record

Track page: Haydn: String Quartet in F Major, Op. 77 No. 2, Hob. III:82: I. Allegro moderato · Machine-readable JSON-LD