勉強合宿

Copyright Verification

CopyrightID (CopyrightChains tx_hash): 0x80b86a78eb5a8d5c6c162e1d8149149984c59e8559570bf999601ab3fd8f1f40
Status: registered
Registered: 2026-06-21T06:18:37+00:00
Explorer: https://explorer.copyrightchains.com/tx/0x80b86a78eb5a8d5c6c162e1d8149149984c59e8559570bf999601ab3fd8f1f40

Full machine-verifiable record (JSON-LD, dual-chain proof): https://artists.proofprofile.net/api/v1/bot/artist/13622713