Revisiting this post because I noticed that with enough bots in your network, this issue does not occur. While I might be missing some underlying logic, I still believe this to be a bug. New steps to reliably reproduce the issue: Setup two roboports, one reading network contents, and one reading net...

How to reproduce: Setup two roboports, one reading network contents, and one reading network requests Link them to a pole, one red, one green, so you can read both outputs Setup a requester chest with a request for 50 of an item (something not a multiple of the robot cargo size, I was using a size o...

When inputting signals into the decider combinator, it correctly displays from which wire the signal originates.
However, when doing the same with an arithmetic combinator, it instead displays the combined total.