ISRC FRZ149738080
Verified recording
FRZ149738080 is “Nocturnes, Op. 62: II. Lento en Mi Majeur” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x0ac505b44515936bf140b68739644423ae0d515faba8343462a7a6733a9164c8 and independently timestamped
in Bitcoin block 960145 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ149738080.
Recording identifiers
- ISRC
- FRZ149738080
- Title
- Nocturnes, Op. 62: II. Lento en Mi Majeur
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x0ac505b44515936bf140b68739644423ae0d515faba8343462a7a6733a9164c8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T21:13:37+00:00
- Bitcoin block
- 960145
- Canonical record hash
sha256:5958afe1bdf9781a8cdb459bbc31d7e8893529b23c52d4168537efb353a1dc63- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ149738080
- Bitcoin block existence check
- https://blockstream.info/api/block/960145
Full record
Track page: Nocturnes, Op. 62: II. Lento en Mi Majeur · Machine-readable JSON-LD