ISRC FINDE2200100
Verified recording
FINDE2200100 is “4 Mazurkas, Op. 17, B. 77: No. 11 in E Minor” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xc442aed1d371764a4cb4259e066099c0810bb1ccfdaf6d640e7722ffb2bb2be5 and independently timestamped
in Bitcoin block 960348 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FINDE2200100.
Recording identifiers
- ISRC
- FINDE2200100
- Title
- 4 Mazurkas, Op. 17, B. 77: No. 11 in E Minor
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xc442aed1d371764a4cb4259e066099c0810bb1ccfdaf6d640e7722ffb2bb2be5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T05:17:02+00:00
- Bitcoin block
- 960348
- Canonical record hash
sha256:1910f2a7fc660f72ce502e98e276a33078909ef88793959d41d453287793db1e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FINDE2200100
- Bitcoin block existence check
- https://blockstream.info/api/block/960348
Full record
Track page: 4 Mazurkas, Op. 17, B. 77: No. 11 in E Minor · Machine-readable JSON-LD