ISRC DEN961600381
Verified recording
DEN961600381 is “3 Mazurkas, Op. 63: No. 1 in B Major. Vivace” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x4e301494460ae327cdd5cc322afdb893d69cda06ba94c5330881de0957b11683 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961600381.
Recording identifiers
- ISRC
- DEN961600381
- Title
- 3 Mazurkas, Op. 63: No. 1 in B Major. Vivace
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x4e301494460ae327cdd5cc322afdb893d69cda06ba94c5330881de0957b11683
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:a32b0e72993f18805228e714b7f895e345d47fec09a5342fa4b32f22dfd40c62- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961600381
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: 3 Mazurkas, Op. 63: No. 1 in B Major. Vivace · Machine-readable JSON-LD