ISRC FRZ038900720
Verified recording
FRZ038900720 is “Les valses de Vienne” by François Feldman,
registered on the CopyrightChains blockchain with CopyrightID
0x1d10e6ea83ba8607950952e01b4894ab2a89ffa05806c2bb151ef678da5c1cc2 and independently timestamped
in Bitcoin block 960327 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ038900720.
Recording identifiers
- ISRC
- FRZ038900720
- Title
- Les valses de Vienne
- Artist
- François Feldman
- CopyrightID (CopyrightChains transaction hash)
0x1d10e6ea83ba8607950952e01b4894ab2a89ffa05806c2bb151ef678da5c1cc2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T00:26:26+00:00
- Bitcoin block
- 960327
- Canonical record hash
sha256:0682e28db38a9ef6a9142af3bc4622d17a830e39be497988fe7694c3fbed474f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ038900720
- Bitcoin block existence check
- https://blockstream.info/api/block/960327