Website for jetpack download not working? https://pypi.jetson-ai-lab.dev/jp6/cu126

hi all im trying to get CUDA on my jetson orin nano when implementing code myself on visual studio code. im trying to download CUDA to run PyTorch and opencv but this website is down. can anyone advice on what I should do, or if there is any other methods that I am able to allow opencv to run with CUDA on jetson orin nano? thanks

Grab from here:
jp6/cu126 index