Khóa học ngôn ngữ cho người mới bắt đầu
Copyright Verification
- CopyrightID (CopyrightChains tx_hash): 0xc3d9b11db922d988e80e89dd8bf622fc43fc0cde3584d3c8401550a174a195bf
- Status: registered
- Registered: 2026-06-21T11:04:41+00:00
- Explorer: https://explorer.copyrightchains.com/tx/0xc3d9b11db922d988e80e89dd8bf622fc43fc0cde3584d3c8401550a174a195bf
Full machine-verifiable record (JSON-LD, dual-chain proof): https://artists.proofprofile.net/api/v1/bot/artist/13686429