ISRC GBF078340604
Verified recording
GBF078340604 is “Mazurka No. 4 in E-Flat Minor, Op. 6 No. 4. Presto ma non troppo” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x5bf40d08c3c33044e3a8d4b28767ed07d0744113cca52595bee0991536782b0d and independently timestamped
in Bitcoin block 956375 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF078340604.
Recording identifiers
- ISRC
- GBF078340604
- Title
- Mazurka No. 4 in E-Flat Minor, Op. 6 No. 4. Presto ma non troppo
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x5bf40d08c3c33044e3a8d4b28767ed07d0744113cca52595bee0991536782b0d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T16:51:38+00:00
- Bitcoin block
- 956375
- Canonical record hash
sha256:bff74d4efd8f165cd741562c86cdd2e21de1fc92bdb63536173199f28c104419- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF078340604
- Bitcoin block existence check
- https://blockstream.info/api/block/956375
Full record
Track page: Mazurka No. 4 in E-Flat Minor, Op. 6 No. 4. Presto ma non troppo · Machine-readable JSON-LD