ISRC FRZ149738020
Verified recording
FRZ149738020 is “Nocturnes, Op. 37: II. Andantino en Sol Majeur” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xc6e0ea17b856323bab22347da6d390f40db311bf9c688b3c5bb2403433bdebb5 and independently timestamped
in Bitcoin block 960181 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ149738020.
Recording identifiers
- ISRC
- FRZ149738020
- Title
- Nocturnes, Op. 37: II. Andantino en Sol Majeur
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xc6e0ea17b856323bab22347da6d390f40db311bf9c688b3c5bb2403433bdebb5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T00:53:20+00:00
- Bitcoin block
- 960181
- Canonical record hash
sha256:792b1c8a42f547b380fd9bed2d205c161587a78cb8fcfa8d900647edf0f18a55- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ149738020
- Bitcoin block existence check
- https://blockstream.info/api/block/960181
Full record
Track page: Nocturnes, Op. 37: II. Andantino en Sol Majeur · Machine-readable JSON-LD