ISRC GBF075612382
Verified recording
GBF075612382 is “Mazurka No. 19 in B minor, Op. 30 No. 2” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x131b6daf08008481e8f2ade89e6a676f699536af8cea06af4580b3a6d6cbe5f2 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/GBF075612382.
Recording identifiers
- ISRC
- GBF075612382
- Title
- Mazurka No. 19 in B minor, Op. 30 No. 2
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x131b6daf08008481e8f2ade89e6a676f699536af8cea06af4580b3a6d6cbe5f2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:0cfacdd7dabc3f619b3ab619a849a0bc439d4db75e3fed400d66013e80400fb4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF075612382
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Mazurka No. 19 in B minor, Op. 30 No. 2 · Machine-readable JSON-LD