ISRC GBF075612341

Verified recording

GBF075612341 is “Mazurka No. 1 in F sharp minor Op. 6 No. 1” by Frédéric Chopin, registered on the CopyrightChains blockchain with CopyrightID 0x4756fe2d8e16a297324fb6ca0bed588220d9823e1971a4ec8c6ccedcc9444326 and independently timestamped in Bitcoin block 956304 on 2026-07-02. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF075612341.

Recording identifiers

ISRC
GBF075612341
Title
Mazurka No. 1 in F sharp minor Op. 6 No. 1
Artist
Frédéric Chopin
CopyrightID (CopyrightChains transaction hash)
0x4756fe2d8e16a297324fb6ca0bed588220d9823e1971a4ec8c6ccedcc9444326

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08+00:00
Bitcoin block
956304
Canonical record hash
sha256:ab4f784b0f9c1ffa63ead337026483daf5d931c01d992ea366a1dcc174573706
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF075612341
Bitcoin block existence check
https://blockstream.info/api/block/956304

Full record

Track page: Mazurka No. 1 in F sharp minor Op. 6 No. 1 · Machine-readable JSON-LD