ISRC DEN961600564
Verified recording
DEN961600564 is “Fantasy on Polish Airs, Op. 13: Kujawiak. Vivace” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x0c846ba8bb11bad37c01a12d52f92928e3b26e24ae077dc1bd1739256de15d9c 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/DEN961600564.
Recording identifiers
- ISRC
- DEN961600564
- Title
- Fantasy on Polish Airs, Op. 13: Kujawiak. Vivace
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x0c846ba8bb11bad37c01a12d52f92928e3b26e24ae077dc1bd1739256de15d9c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:8c001e4d5dad9986f187307e8fff365626aacb00dcd411f9955e44d09594bfe9- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961600564
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Fantasy on Polish Airs, Op. 13: Kujawiak. Vivace · Machine-readable JSON-LD