ISRC FRZ200400218
Verified recording
FRZ200400218 is “Franck: Prélude, fugue et variation, Op. 18, FWV 30: Variation” by César Franck,
registered on the CopyrightChains blockchain with CopyrightID
0x2a4509c4df5d03eb951a4e843e91c0ea9695d68bac6ad562ef97cf045d919d03 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ200400218.
Recording identifiers
- ISRC
- FRZ200400218
- Title
- Franck: Prélude, fugue et variation, Op. 18, FWV 30: Variation
- Artist
- César Franck
- CopyrightID (CopyrightChains transaction hash)
0x2a4509c4df5d03eb951a4e843e91c0ea9695d68bac6ad562ef97cf045d919d03
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:a460f0d875c879916a510f88713d262b1292d4ee4977aa7515dd0cf3c7930592- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ200400218
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Franck: Prélude, fugue et variation, Op. 18, FWV 30: Variation · Machine-readable JSON-LD