自習室タイム
Copyright Verification
- CopyrightID (CopyrightChains tx_hash): 0xc7ea46253db245a93054bf30ac31fd6755b66b852f7b25af8cb4c11000399270
- Status: registered
- Registered: 2026-06-21T07:09:34+00:00
- Explorer: https://explorer.copyrightchains.com/tx/0xc7ea46253db245a93054bf30ac31fd6755b66b852f7b25af8cb4c11000399270
Full machine-verifiable record (JSON-LD, dual-chain proof): https://artists.proofprofile.net/api/v1/bot/artist/13653200