ISRC GBF078340605
Verified recording
GBF078340605 is “Mazurka No. 5 in B-Flat Major, Op. 7 No. 1. Vivace” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x123fcaf4c45baf59ccab75af39c8bacf610e45ef09ff3bf5200e79a7bcbc6e78 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF078340605.
Recording identifiers
- ISRC
- GBF078340605
- Title
- Mazurka No. 5 in B-Flat Major, Op. 7 No. 1. Vivace
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x123fcaf4c45baf59ccab75af39c8bacf610e45ef09ff3bf5200e79a7bcbc6e78
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:8af865d1ff68b9284d3e651ccd38a1131b872aad88152af2655dcfe725c4758e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF078340605
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Mazurka No. 5 in B-Flat Major, Op. 7 No. 1. Vivace · Machine-readable JSON-LD