If the goal is to share the visual contents of the pad, why not just stream the graphics over SSH?
I recommend checking out reStream: https://github.com/rien/reStream/ Using nixos, sharing your screen is as simple as nix run nixpkgs#restream
I recommend checking out reStream: https://github.com/rien/reStream/ Using nixos, sharing your screen is as simple as nix run nixpkgs#restream
With this, from any device on the network, you can call the address of the remarkable and get the content.