ISRC GBF075612381
Verified recording
GBF075612381 is “Mazurka No. 18 in C minor Op. 30 No. 1” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x0c778870169884f4fb4c49e7368f152003e9a4225a06b5f88f6796db1fe81208 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/GBF075612381.
Recording identifiers
- ISRC
- GBF075612381
- Title
- Mazurka No. 18 in C minor Op. 30 No. 1
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x0c778870169884f4fb4c49e7368f152003e9a4225a06b5f88f6796db1fe81208
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:e1d277ff0f01fbf9b57da43f7d776baf4b5c01336cf57b04292eadb8f7414682- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF075612381
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Mazurka No. 18 in C minor Op. 30 No. 1 · Machine-readable JSON-LD