I went to Walmart and got a $15 floor pump and a glueless patch kit (meh). And yes I will leave them here at work. As expected there were no Presta valve 26" tubes there. And the glueless patches were all they had.

So I found the hole in the tube (tiny hole), and as usual did not find anything conclusive inside the tire that would have caused the puncture. So I scuffed the tube and pressed a glueless patch on there really well. Pumped it up to 70 PSI. We'll see if it's still holding air by late this afternoon. Seems to be okay right now.