http://ctndhon5ms5qw4zvip4lirgofkgs5f6pmxnloszzssftudzo34rbeyad.onion/keysigning.html
Since we already ensured
that everybody has the same copy a simple statement yes,
this information is correct is sufficient. The next step was to verify each participant's identity by
checking her passport or similar form of ID. Later that evening, or perhaps when you get home, you can
sign the keys which you were able to verify on the hardcopy.