ISRC FRZ119401690
Verified recording
FRZ119401690 is “Chopin: Nocturne No. 9 in B Major, Op. 32 No. 1” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xbd3490cf36913375827de6a7a7fddc82f8018e1fd9d1f00fe98c52be6b40a4eb 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/FRZ119401690.
Recording identifiers
- ISRC
- FRZ119401690
- Title
- Chopin: Nocturne No. 9 in B Major, Op. 32 No. 1
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xbd3490cf36913375827de6a7a7fddc82f8018e1fd9d1f00fe98c52be6b40a4eb
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:d74333199cfe326dce19677e64600ecac8a3d5cd64287c1c834c1fb3880ceef1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ119401690
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Chopin: Nocturne No. 9 in B Major, Op. 32 No. 1 · Machine-readable JSON-LD