ISRC GBPFW2100370

Verified recording

GBPFW2100370 is “Haydn: Keyboard Sonata in C Major, Hob. XVI:35: II. Adagio” by Joseph Haydn, registered on the CopyrightChains blockchain with CopyrightID 0x77072d34cc18cad87391e57e68af0bf029122cee99db5b1619464340903da2e2 and independently timestamped in Bitcoin block 960106 on 2026-07-29. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBPFW2100370.

Recording identifiers

ISRC
GBPFW2100370
Title
Haydn: Keyboard Sonata in C Major, Hob. XVI:35: II. Adagio
Artist
Joseph Haydn
CopyrightID (CopyrightChains transaction hash)
0x77072d34cc18cad87391e57e68af0bf029122cee99db5b1619464340903da2e2

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-29T12:41:21+00:00
Bitcoin block
960106
Canonical record hash
sha256:5756b4c3f8791c9963ff24549de2ce046c645ec3a0a7e12e2b7593b8fd51a1a8
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBPFW2100370
Bitcoin block existence check
https://blockstream.info/api/block/960106

Full record

Track page: Haydn: Keyboard Sonata in C Major, Hob. XVI:35: II. Adagio · Machine-readable JSON-LD