ISRC FRZ209318403
Verified recording
FRZ209318403 is “Waltzes, Op. 43: No. 3 in A Minor 'Valse brillante'” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x41aeeb9c81e0bac1d1fa10f3de0d88c9606f449ae356eae3c32ee7508e324d24 and independently timestamped
in Bitcoin block 960284 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209318403.
Recording identifiers
- ISRC
- FRZ209318403
- Title
- Waltzes, Op. 43: No. 3 in A Minor 'Valse brillante'
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x41aeeb9c81e0bac1d1fa10f3de0d88c9606f449ae356eae3c32ee7508e324d24
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T17:23:26+00:00
- Bitcoin block
- 960284
- Canonical record hash
sha256:a43ea98f38a5ba494c2d572cb888b41ea31264250e2b368bc53723e216f077b3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209318403
- Bitcoin block existence check
- https://blockstream.info/api/block/960284
Full record
Track page: Waltzes, Op. 43: No. 3 in A Minor 'Valse brillante' · Machine-readable JSON-LD