ISRC DEN961801613
Verified recording
DEN961801613 is “Mazurka No. 35 in C Minor, Op. 56 No. 3. Moderato” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xdfcc8a91b357b14b873957a3647f887a8a3d534b26011bda4ce184541e415a8f 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/DEN961801613.
Recording identifiers
- ISRC
- DEN961801613
- Title
- Mazurka No. 35 in C Minor, Op. 56 No. 3. Moderato
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xdfcc8a91b357b14b873957a3647f887a8a3d534b26011bda4ce184541e415a8f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:b03f095b617af3602157c7a471900ecf5892e72b88eee33d282a8e29ec171cd5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961801613
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Mazurka No. 35 in C Minor, Op. 56 No. 3. Moderato · Machine-readable JSON-LD