ISRC DEN961101250
Verified recording
DEN961101250 is “Mazurka No. 19 in B Minor, Op. 30 No. 2. Allegretto” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x56c2d3ac41f0caac3100872042438bd06e28706b94669b5c8dd253c4c40ed857 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961101250.
Recording identifiers
- ISRC
- DEN961101250
- Title
- Mazurka No. 19 in B Minor, Op. 30 No. 2. Allegretto
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x56c2d3ac41f0caac3100872042438bd06e28706b94669b5c8dd253c4c40ed857
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:c031de8e078450b732fd09e0b3c577dbd7423462713b5d14f341a8fbf950a2f5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961101250
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Mazurka No. 19 in B Minor, Op. 30 No. 2. Allegretto · Machine-readable JSON-LD