坂本龍馬（ＣＶ：谷山紀章）
Copyright Verification
- CopyrightID (CopyrightChains tx_hash): 0x7534e95cc8c40432b7b59a530773a7b4042e39cba0e6a2f0932b18aed4a3a704
- Status: registered
- Registered: 2026-06-21T02:36:00+00:00
- Explorer: https://explorer.copyrightchains.com/tx/0x7534e95cc8c40432b7b59a530773a7b4042e39cba0e6a2f0932b18aed4a3a704
Full machine-verifiable record (JSON-LD, dual-chain proof): https://artists.proofprofile.net/api/v1/bot/artist/13579784