ISRC FRZ209908208
Verified recording
FRZ209908208 is “Chopin: 12 Études, Op. 10: No. 8 in F Major” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xd8f8284cc67f878adcecfd8e16ddfe5eba1b830ee6f6ff04b86b8ffe44e83c76 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/FRZ209908208.
Recording identifiers
- ISRC
- FRZ209908208
- Title
- Chopin: 12 Études, Op. 10: No. 8 in F Major
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xd8f8284cc67f878adcecfd8e16ddfe5eba1b830ee6f6ff04b86b8ffe44e83c76
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:e8d42ac5a98d5a8920d96881f3439a5547e1fe00215ec081f7b5f6750bcc7489- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209908208
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Chopin: 12 Études, Op. 10: No. 8 in F Major · Machine-readable JSON-LD