ISRC GBF078340602
Verified recording
GBF078340602 is “Mazurka No. 2 in C-Sharp Minor, Op. 6 No. 2. Sotto voce” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x67b2d0af82f509c32022d21860f9c9fc8e242ab09373fe6016929ee07d36acca and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF078340602.
Recording identifiers
- ISRC
- GBF078340602
- Title
- Mazurka No. 2 in C-Sharp Minor, Op. 6 No. 2. Sotto voce
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x67b2d0af82f509c32022d21860f9c9fc8e242ab09373fe6016929ee07d36acca
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:76de3fa33f0c098867011cc76e3eb56ccdfa4a62302bff6f14deeb0cdfbd9583- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF078340602
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Mazurka No. 2 in C-Sharp Minor, Op. 6 No. 2. Sotto voce · Machine-readable JSON-LD