ISRC DEN960800941
Verified recording
DEN960800941 is “Mazurka No. 22 in G-Sharp Minor, Op. 33 No. 1. Mesto” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x12db0cb424d872c0c0119be072806511ce6b81ca2475aa1d1aa403d575ef9b1c and independently timestamped
in Bitcoin block 960473 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960800941.
Recording identifiers
- ISRC
- DEN960800941
- Title
- Mazurka No. 22 in G-Sharp Minor, Op. 33 No. 1. Mesto
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x12db0cb424d872c0c0119be072806511ce6b81ca2475aa1d1aa403d575ef9b1c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T22:27:44+00:00
- Bitcoin block
- 960473
- Canonical record hash
sha256:77aafc378c7718f336499cf83ace048911d67e5a6ae4ddcee60c5888cb944fef- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960800941
- Bitcoin block existence check
- https://blockstream.info/api/block/960473
Full record
Track page: Mazurka No. 22 in G-Sharp Minor, Op. 33 No. 1. Mesto · Machine-readable JSON-LD