ISRC FR6P41402230

Verified recording

FR6P41402230 is “Spontaneous Improvisation on the Japanese Song "Sakura" - World Premiere Recording” by Cyprien Katsaris, registered on the CopyrightChains blockchain with CopyrightID 0x576ae31c848f2a15ee719d6bb75407adf44ced6cc72481fc0c1aab20c1f6b39c and independently timestamped in Bitcoin block 960389 on 2026-07-31. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR6P41402230.

Recording identifiers

ISRC
FR6P41402230
Title
Spontaneous Improvisation on the Japanese Song "Sakura" - World Premiere Recording
Artist
Cyprien Katsaris
CopyrightID (CopyrightChains transaction hash)
0x576ae31c848f2a15ee719d6bb75407adf44ced6cc72481fc0c1aab20c1f6b39c

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T10:20:10+00:00
Bitcoin block
960389
Canonical record hash
sha256:defc11a526f13b311441a3e30a8363ea4dcceef9a258e4ae3d0b5598c5e153d0
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR6P41402230
Bitcoin block existence check
https://blockstream.info/api/block/960389

Full record

Track page: Spontaneous Improvisation on the Japanese Song "Sakura" - World Premiere Recording · Machine-readable JSON-LD