上杉 周大
Copyright Verification
- CopyrightID (CopyrightChains tx_hash): 0x2d3b28f99db68c75cea1dc92e86b4de75a1fdec9b83c2d8cecddded7e76d07bc
- Status: registered
- Registered: 2026-06-17T18:10:05+00:00
- Explorer: https://explorer.copyrightchains.com/tx/0x2d3b28f99db68c75cea1dc92e86b4de75a1fdec9b83c2d8cecddded7e76d07bc
Full machine-verifiable record (JSON-LD, dual-chain proof): https://artists.proofprofile.net/api/v1/bot/artist/6535116