Paste the contents of pairing.json from the server's data directory. It carries the token and the certificate fingerprint this client pins.
pairing.json
Easier: open the pairing link the server logs on startup. It carries the same thing in its fragment, which browsers never send anywhere.
Skyhook will send this page as your browser drew it — the mirrored document and a screenshot — up to your server, which saves it next to its own copy of the same page. Nothing is uploaded anywhere else.