ISRC FRZ209908220
Verified recording
FRZ209908220 is “Chopin: 12 Études, Op. 25: No. 8 in D-Flat Major” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x569460b03d8f151f8db2affc246b512882cf57833fe3e8a3a30b8ce6f5d87981 and independently timestamped
in Bitcoin block 960179 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209908220.
Recording identifiers
- ISRC
- FRZ209908220
- Title
- Chopin: 12 Études, Op. 25: No. 8 in D-Flat Major
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x569460b03d8f151f8db2affc246b512882cf57833fe3e8a3a30b8ce6f5d87981
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T00:39:11+00:00
- Bitcoin block
- 960179
- Canonical record hash
sha256:a1f5c6d168cfeac77a52ff69fcee147157a18f3d69f09df968b4487b92e307a1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209908220
- Bitcoin block existence check
- https://blockstream.info/api/block/960179
Full record
Track page: Chopin: 12 Études, Op. 25: No. 8 in D-Flat Major · Machine-readable JSON-LD