Nhạc giúp tập trung tư duy học tập
Copyright Verification
- CopyrightID (CopyrightChains tx_hash): 0x1e10e79e8c78cd0eda14383899b79a160968bf4a7d16a4dfe87fbcd6b8d43a57
- Status: registered
- Registered: 2026-06-16T04:36:19+00:00
- Explorer: https://explorer.copyrightchains.com/tx/0x1e10e79e8c78cd0eda14383899b79a160968bf4a7d16a4dfe87fbcd6b8d43a57
Full machine-verifiable record (JSON-LD, dual-chain proof): https://artists.proofprofile.net/api/v1/bot/artist/12961538