ISRC FRZ209908224
Verified recording
FRZ209908224 is “Chopin: 12 Études, Op. 25: No. 12 in C Minor” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x0245b4b368172c8aa1569119be561437f359603105e6ff3c212b71c82cf06cac and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209908224.
Recording identifiers
- ISRC
- FRZ209908224
- Title
- Chopin: 12 Études, Op. 25: No. 12 in C Minor
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x0245b4b368172c8aa1569119be561437f359603105e6ff3c212b71c82cf06cac
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:7332dd2cc807fb9f5cdc74cf10c9945a836a83b584e0aeca26409abe516c226f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209908224
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Chopin: 12 Études, Op. 25: No. 12 in C Minor · Machine-readable JSON-LD