ISRC DEF059004393
Verified recording
DEF059004393 is “Mazurka No. 24 in C Major, Op. 33 No. 3. Semplice” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xe74c372de75312014ff3a8d6c420821d276be8e4876ad3c9944eb6cdddbbdd68 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/DEF059004393.
Recording identifiers
- ISRC
- DEF059004393
- Title
- Mazurka No. 24 in C Major, Op. 33 No. 3. Semplice
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xe74c372de75312014ff3a8d6c420821d276be8e4876ad3c9944eb6cdddbbdd68
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:a6cfd56cd9fd1691dbe6747a7e23d160a825cd8bd4a1ef3b0fdf6b1957ba4903- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059004393
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Mazurka No. 24 in C Major, Op. 33 No. 3. Semplice · Machine-readable JSON-LD