ISRC FRZ111100608
Verified recording
FRZ111100608 is “Chopin: Nocturne No. 4 in F Major, Op. 15 No. 1” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xc4dfb4713f6f593f2c503330a025995801b7d72429eca5c2946bfcd0e6494dc6 and independently timestamped
in Bitcoin block 960494 on 2026-08-01.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ111100608.
Recording identifiers
- ISRC
- FRZ111100608
- Title
- Chopin: Nocturne No. 4 in F Major, Op. 15 No. 1
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xc4dfb4713f6f593f2c503330a025995801b7d72429eca5c2946bfcd0e6494dc6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-08-01T01:44:32+00:00
- Bitcoin block
- 960494
- Canonical record hash
sha256:65573665b44f82040c1b30e2990bdc1f90527ebff9ed0ed9e99510e1ca79f910- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ111100608
- Bitcoin block existence check
- https://blockstream.info/api/block/960494
Full record
Track page: Chopin: Nocturne No. 4 in F Major, Op. 15 No. 1 · Machine-readable JSON-LD