ISRC GBF078240303
Verified recording
GBF078240303 is “Mazurka No. 19 in B Minor, Op. 30 No. 2. Allegretto” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x18680537d3dd878476a3d09b7d21bf4adf35b84dbb8a7ada0ca1f19fae229f24 and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF078240303.
Recording identifiers
- ISRC
- GBF078240303
- Title
- Mazurka No. 19 in B Minor, Op. 30 No. 2. Allegretto
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x18680537d3dd878476a3d09b7d21bf4adf35b84dbb8a7ada0ca1f19fae229f24
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:bf2753515a437aa46237717bb463cc62af9edace3c47dffba53e72c83a14ef19- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF078240303
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: Mazurka No. 19 in B Minor, Op. 30 No. 2. Allegretto · Machine-readable JSON-LD