ISRC DEN962135404
Verified recording
DEN962135404 is “Mazurkas, Op. 33: No. 3 in D Major - Live” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x97eb66c98238f6baaa2f033031ad2e8f2a40eb1fb7e8aadc4e76a693acd8a8ad and independently timestamped
in Bitcoin block 960273 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962135404.
Recording identifiers
- ISRC
- DEN962135404
- Title
- Mazurkas, Op. 33: No. 3 in D Major - Live
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x97eb66c98238f6baaa2f033031ad2e8f2a40eb1fb7e8aadc4e76a693acd8a8ad
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T15:42:38+00:00
- Bitcoin block
- 960273
- Canonical record hash
sha256:f3fbeb97a8b7b457341ab7ebc2c3a71728281d5ad7689d552890e95e132f59dd- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962135404
- Bitcoin block existence check
- https://blockstream.info/api/block/960273
Full record
Track page: Mazurkas, Op. 33: No. 3 in D Major - Live · Machine-readable JSON-LD