ISRC FRZ209908221
Verified recording
FRZ209908221 is “Chopin: 12 Études, Op. 25: No. 9 in G-Flat Major "Butterfly"” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x3b180c6d83ed1f4a63c696627252aa812c462ac904e6419c1576d04884000071 and independently timestamped
in Bitcoin block 960144 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209908221.
Recording identifiers
- ISRC
- FRZ209908221
- Title
- Chopin: 12 Études, Op. 25: No. 9 in G-Flat Major "Butterfly"
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x3b180c6d83ed1f4a63c696627252aa812c462ac904e6419c1576d04884000071
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T21:09:47+00:00
- Bitcoin block
- 960144
- Canonical record hash
sha256:a78a891068eccfad584fcce899e61c53fd0987bea2b502bb5c340c483a644d39- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209908221
- Bitcoin block existence check
- https://blockstream.info/api/block/960144
Full record
Track page: Chopin: 12 Études, Op. 25: No. 9 in G-Flat Major "Butterfly" · Machine-readable JSON-LD