http://nihilhfjmj55gfbleupwl2ub7lvbhq4kkoioatiopahfqwkcnglsawyd.onion/servers/haveno-arbitrator/index.html
Then the Arbitrator sees the exchange from Bob's point of view too: Obviously, Bob explains that he got his very legit amazon giftcard code from his hat, and he naively thinks that the arbitrator will rule in his favor. And finally, back to Alice's POV: the Arbitrator decides that it is Alice who's in the Right, and therefore Bob does not get his Monero security deposit back, hence he's loosing 0.101009 XMR in the process.