ISRC FRZ119603440
Verified recording
FRZ119603440 is “Chopin: 2 Polonaises, Op. 26: No. 1 in C-Sharp Minor” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x0755bcb648a9d46a4bbdba5f1afb710e1abafc3817852fe5e9458dfb52aa77a7 and independently timestamped
in Bitcoin block 960397 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ119603440.
Recording identifiers
- ISRC
- FRZ119603440
- Title
- Chopin: 2 Polonaises, Op. 26: No. 1 in C-Sharp Minor
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x0755bcb648a9d46a4bbdba5f1afb710e1abafc3817852fe5e9458dfb52aa77a7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T12:24:41+00:00
- Bitcoin block
- 960397
- Canonical record hash
sha256:320f799b05fcd81e11a2ef59cac83a4ff7ddf9a7dbfb0874a075cebd3f070547- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ119603440
- Bitcoin block existence check
- https://blockstream.info/api/block/960397
Full record
Track page: Chopin: 2 Polonaises, Op. 26: No. 1 in C-Sharp Minor · Machine-readable JSON-LD