ISRC FRZ209908219
Verified recording
FRZ209908219 is “Chopin: 12 Études, Op. 25: No. 7 in C-Sharp Minor” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x48a852f2db03c88c79d98e0d5e191e32ec980f602dedf9cc60aa2c1809c33667 and independently timestamped
in Bitcoin block 960111 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209908219.
Recording identifiers
- ISRC
- FRZ209908219
- Title
- Chopin: 12 Études, Op. 25: No. 7 in C-Sharp Minor
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x48a852f2db03c88c79d98e0d5e191e32ec980f602dedf9cc60aa2c1809c33667
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T13:21:01+00:00
- Bitcoin block
- 960111
- Canonical record hash
sha256:d54d612c238f89baecc3d74b1290dbda1d58335d6496eb3fbb11dacae71438b5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209908219
- Bitcoin block existence check
- https://blockstream.info/api/block/960111
Full record
Track page: Chopin: 12 Études, Op. 25: No. 7 in C-Sharp Minor · Machine-readable JSON-LD