ISRC FRZ200200004
Verified recording
FRZ200200004 is “Chopin: Ballade No. 4 in F Minor, Op. 52” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xffb52ea09d9ac843e7389a1f776a5edb7e4571f9dbb69eefb959ff3d4552f721 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ200200004.
Recording identifiers
- ISRC
- FRZ200200004
- Title
- Chopin: Ballade No. 4 in F Minor, Op. 52
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xffb52ea09d9ac843e7389a1f776a5edb7e4571f9dbb69eefb959ff3d4552f721
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:298c60c324b6f6491e12fc9a0088d17813928844fe33255f67b3cc6c465b3e63- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ200200004
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Chopin: Ballade No. 4 in F Minor, Op. 52 · Machine-readable JSON-LD