403 Forbidden error rebasing Bazzite to NVIDIA CUDA for RTX 5090

Hi everyone,

I'm trying to rebase my Bazzite OS to the NVIDIA CUDA image for my RTX 5090 (which needs open kernel modules), but I'm consistently getting a 403 Forbidden error.

Command used:
sudo rpm-ostree rebase ostree-unverified-registry:ghcr.io/ublue-os/bazzite-nvidia-cuda:42 (also tried :stable)

Error:
error: Creating importer: failed to invoke method OpenImage: failed to invoke method OpenImage: Requesting bearer token: received unexpected HTTP status: 403 Forbidden

My lspci -k shows Kernel driver in use: nvidia for the 5090, and dmesg | grep -i nvidia indicates it requires open kernel modules.

I've confirmed my network connection to ghcr.io/v2/ is working (it returns {"message":"authentication required"}).

Any ideas why I'm getting 403, or if there's a different recommended image/method for new RTX cards?

I am trying this because when I start my PC with the HDMI cable plugged into the GPU I get stuck on the ROG screen no logo. While plugged into the motherboard it starts fine.

Thank you in advance to everybody.
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