Sayumi Koga
Copyright Verification
- CopyrightID (CopyrightChains tx_hash): 0x3e0b3e87bf2c6ce20662ec913bb600fb9a1ca58ff7431bd7561d6748969ae423
- Status: registered
- Registered: 2026-06-16T14:03:14+00:00
- Explorer: https://explorer.copyrightchains.com/tx/0x3e0b3e87bf2c6ce20662ec913bb600fb9a1ca58ff7431bd7561d6748969ae423
Full machine-verifiable record (JSON-LD, dual-chain proof): https://artists.proofprofile.net/api/v1/bot/artist/13045278