ISRC DEN961101240
Verified recording
DEN961101240 is “Mazurka No. 18 in C Minor, Op. 30 No. 1. Allegretto non tanto” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x53382f0e897d5cf3b7f1a7fd7b582c2c82cc61181df79ce8012ebbcf96e00692 and independently timestamped
in Bitcoin block 956889 on 2026-07-06.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961101240.
Recording identifiers
- ISRC
- DEN961101240
- Title
- Mazurka No. 18 in C Minor, Op. 30 No. 1. Allegretto non tanto
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x53382f0e897d5cf3b7f1a7fd7b582c2c82cc61181df79ce8012ebbcf96e00692
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-06T06:56:49+00:00
- Bitcoin block
- 956889
- Canonical record hash
sha256:f4cbadcfd319e89506874473de14a78fb352c9c4427ab4958e45283875bdd2ad- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961101240
- Bitcoin block existence check
- https://blockstream.info/api/block/956889
Full record
Track page: Mazurka No. 18 in C Minor, Op. 30 No. 1. Allegretto non tanto · Machine-readable JSON-LD