ISRC GBF075612391

Verified recording

GBF075612391 is “Mazurka No. 22 in G sharp minor Op. 33 No. 1” by Frédéric Chopin, registered on the CopyrightChains blockchain with CopyrightID 0xedacb215e7a40230fbcd5816c65e1156480420abd2350a4aebdb81834f7676de 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/GBF075612391.

Recording identifiers

ISRC
GBF075612391
Title
Mazurka No. 22 in G sharp minor Op. 33 No. 1
Artist
Frédéric Chopin
CopyrightID (CopyrightChains transaction hash)
0xedacb215e7a40230fbcd5816c65e1156480420abd2350a4aebdb81834f7676de

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-30T18:23:33+00:00
Bitcoin block
960291
Canonical record hash
sha256:a93191d823bd2e82f528a905627946f9d58aa634ec39e62e15b1cb105c19867d
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF075612391
Bitcoin block existence check
https://blockstream.info/api/block/960291

Full record

Track page: Mazurka No. 22 in G sharp minor Op. 33 No. 1 · Machine-readable JSON-LD