ISRC GBKQU2438272

Verified recording

GBKQU2438272 is “Butterfly” by Jon Gurd, registered on the CopyrightChains blockchain with CopyrightID 0xff50398b7951bc6928e877c0e823767078fadb14d49d2ddc6471b276da9153ed 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/GBKQU2438272.

Recording identifiers

ISRC
GBKQU2438272
Title
Butterfly
Artist
Jon Gurd
CopyrightID (CopyrightChains transaction hash)
0xff50398b7951bc6928e877c0e823767078fadb14d49d2ddc6471b276da9153ed

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49+00:00
Bitcoin block
956889
Canonical record hash
sha256:405ab46edaee62725ceb41690df285f154103c5ad98056238a14b10cafe39c80
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBKQU2438272
Bitcoin block existence check
https://blockstream.info/api/block/956889

Full record

Track page: Butterfly · Machine-readable JSON-LD