The instructions for the Russia Visa are now posted on the Pinnacle Travel Document Systems, the agency recommended by Silversea. They are under Silver Explorer voyage #7816. This does not seem to directly correspond to my booking number exactly but is the correct cruise.
🚢 Cruise with your favorite Keene Luxury Travel Staff Member! 💰 5% KLT Reward plus Shipboard Credit available (amount varies per voyage)! 💲 Offering Enhanced KLT Rewards on voyages hosted by Ngaire & Clay!