The Nautilus is a contextual missing character identification and conversion puzzle. The rivets along the hull of the Nautilus feature brail characters. Translating these character to English results in the following “ROKDIYV”.
Completing the URL by adding the characters “ROKDIYV” to the puzzle code results in the following URL:
The URL navigates players to a Twitter account. The puzzle completion form URL is in the bio section of the account.