[OpenGradient OPG Airdrop Registration Open, Claiming Starts on April 21] According to TechFlow, on April 16, the verifiable AI computation layer OpenGradient announced that its OPG airdrop registration portal is now live. Users can visit the official portal to connect their wallets and accounts, check eligibility, and complete registration to confirm their community allocation eligibility. OpenGradient stated that this airdrop is targeted at users who have contributed to advancing on-chain verifiable AI inference. The registration period is from April 15, 2026, to April 20, 2026, and the claiming period is on April 21, 2026.