ISRC DEF059103203
Verified recording
DEF059103203 is “Mazurka No. 48 in F Major, Op. 68 No. 3. Allegro ma non troppo” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x02adada2839d36908752ad333e05c7cd40419ef87ee8eabd5b7765a9c3fdd17f 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/DEF059103203.
Recording identifiers
- ISRC
- DEF059103203
- Title
- Mazurka No. 48 in F Major, Op. 68 No. 3. Allegro ma non troppo
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x02adada2839d36908752ad333e05c7cd40419ef87ee8eabd5b7765a9c3fdd17f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:dfda35dbe476037c2d59838555706808cc287509b24421ec0a2244b84697bda0- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059103203
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Mazurka No. 48 in F Major, Op. 68 No. 3. Allegro ma non troppo · Machine-readable JSON-LD