ISRC DEF058703060
Verified recording
DEF058703060 is “Mazurka No. 46 in C Major, Op. 67 No. 3: Allegretto” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x4999dd43141ed57a2c79e22011317e37e0637334d5fe7ff443307b03c451846d 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/DEF058703060.
Recording identifiers
- ISRC
- DEF058703060
- Title
- Mazurka No. 46 in C Major, Op. 67 No. 3: Allegretto
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x4999dd43141ed57a2c79e22011317e37e0637334d5fe7ff443307b03c451846d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:3b67dfec5a3a07fb9e0d74e602bb1474d0211ceddae2758b7c6d45a90baf38fc- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058703060
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Mazurka No. 46 in C Major, Op. 67 No. 3: Allegretto · Machine-readable JSON-LD