ISRC FRZ209908215
Verified recording
FRZ209908215 is “Chopin: 12 Études, Op. 25: No. 3 in F Major” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x8ae7adc0ce1e16abbdbd3436ddf014dce2231e2c728d6c9a5cfee3f373d6f701 and independently timestamped
in Bitcoin block 957061 on 2026-07-07.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209908215.
Recording identifiers
- ISRC
- FRZ209908215
- Title
- Chopin: 12 Études, Op. 25: No. 3 in F Major
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x8ae7adc0ce1e16abbdbd3436ddf014dce2231e2c728d6c9a5cfee3f373d6f701
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-07T16:07:00+00:00
- Bitcoin block
- 957061
- Canonical record hash
sha256:e4ebb650e4f4c805a9c2265298155a3944bec308add3436c45ab1a68d63fdaf6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209908215
- Bitcoin block existence check
- https://blockstream.info/api/block/957061
Full record
Track page: Chopin: 12 Études, Op. 25: No. 3 in F Major · Machine-readable JSON-LD