ISRC FRU622472820
Verified recording
FRU622472820 is “Introduction and Variations on "Que ne suis-je la fougère!", Op. 26: VI. Variation 4” by Fernando Sor,
registered on the CopyrightChains blockchain with CopyrightID
0x6584cf28d874ada4f9f57de209090d770ebfbe804c0363407d41ea6ed6df634b 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/FRU622472820.
Recording identifiers
- ISRC
- FRU622472820
- Title
- Introduction and Variations on "Que ne suis-je la fougère!", Op. 26: VI. Variation 4
- Artist
- Fernando Sor
- CopyrightID (CopyrightChains transaction hash)
0x6584cf28d874ada4f9f57de209090d770ebfbe804c0363407d41ea6ed6df634b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:2b0579321930d082ec5aeb229a97440c9a19d5fc24dad32841d85e8da290c014- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRU622472820
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Introduction and Variations on "Que ne suis-je la fougère!", Op. 26: VI. Variation 4 · Machine-readable JSON-LD