ISRC FRZ209908207
Verified recording
FRZ209908207 is “Chopin: 12 Études, Op. 10: No. 7 in C Major” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x290245829dbbfabbee34322d0e46eedb0cb15d5985997b6becd11c5141415e35 and independently timestamped
in Bitcoin block 960181 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209908207.
Recording identifiers
- ISRC
- FRZ209908207
- Title
- Chopin: 12 Études, Op. 10: No. 7 in C Major
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x290245829dbbfabbee34322d0e46eedb0cb15d5985997b6becd11c5141415e35
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T00:53:20+00:00
- Bitcoin block
- 960181
- Canonical record hash
sha256:9d2fb9bcd3f64907fc020fe94738250e77315f29ce0898d315497e9022a4fb30- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209908207
- Bitcoin block existence check
- https://blockstream.info/api/block/960181
Full record
Track page: Chopin: 12 Études, Op. 10: No. 7 in C Major · Machine-readable JSON-LD