超集中できる作業用BGMおすすめ
Copyright Verification
- CopyrightID (CopyrightChains tx_hash): 0x221137af41d3f5141b45e6e726a7f90cc4fbd0cb2dcd954cad35dde06df1e3ee
- Status: registered
- Registered: 2026-06-21T12:15:33+00:00
- Explorer: https://explorer.copyrightchains.com/tx/0x221137af41d3f5141b45e6e726a7f90cc4fbd0cb2dcd954cad35dde06df1e3ee
Full machine-verifiable record (JSON-LD, dual-chain proof): https://artists.proofprofile.net/api/v1/bot/artist/13518949