ISRC FRZ111100607
Verified recording
FRZ111100607 is “Chopin: Nocturne No. 3 in B Major, Op. 9 No. 3” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x09125b15b62ff1c231a9a6100968df34ccca266e7ed6f5e9df576e38c3968870 and independently timestamped
in Bitcoin block 960441 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ111100607.
Recording identifiers
- ISRC
- FRZ111100607
- Title
- Chopin: Nocturne No. 3 in B Major, Op. 9 No. 3
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x09125b15b62ff1c231a9a6100968df34ccca266e7ed6f5e9df576e38c3968870
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T17:29:52+00:00
- Bitcoin block
- 960441
- Canonical record hash
sha256:ea9a7a0f74667129efab6dc4d6aad605500d3814a2984e66dd8004be1b8eeaa4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ111100607
- Bitcoin block existence check
- https://blockstream.info/api/block/960441
Full record
Track page: Chopin: Nocturne No. 3 in B Major, Op. 9 No. 3 · Machine-readable JSON-LD