ISRC PLC592000109
Verified recording
PLC592000109 is “Zezowate szczęście [Mazurek F-dur]” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x427859cc804804b96fbb12c3eb8a88b56f69bdb0c2e48e772c977637aadb4386 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/PLC592000109.
Recording identifiers
- ISRC
- PLC592000109
- Title
- Zezowate szczęście [Mazurek F-dur]
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x427859cc804804b96fbb12c3eb8a88b56f69bdb0c2e48e772c977637aadb4386
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:a726da97d1a9d9ec11d2d929deb45f3867d5cd0c528ef8eeea4c3786180168a7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLC592000109
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Zezowate szczęście [Mazurek F-dur] · Machine-readable JSON-LD