ISRC DEF059004341
Verified recording
DEF059004341 is “Mazurka No. 1 in F sharp minor Op. 6 No. 1” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x7a417cd0cb123385be616f5c49789a1e8aa7b1e4a8d221c2cef7a95ac512942e and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059004341.
Recording identifiers
- ISRC
- DEF059004341
- Title
- Mazurka No. 1 in F sharp minor Op. 6 No. 1
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x7a417cd0cb123385be616f5c49789a1e8aa7b1e4a8d221c2cef7a95ac512942e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:06b5bdc5b4ee2a2c04a1e60b2551c2dc35bf8b959665690c4b995e7646e906c7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059004341
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Mazurka No. 1 in F sharp minor Op. 6 No. 1 · Machine-readable JSON-LD