The phrase "PrivatelyPublic 30-04-2021" refers to a technical write-up or detailed post likely shared on April 30, 2021, by a user named privatelypublic on platforms like Hacker News, or potential narrative logs from a similarly named user on WordPress. The text "Here is the full ver..." indicates a follow-up to a summary post rather than a formal, titled academic paper. Further context regarding whether the topic is coding, privacy, or infrastructure is required for a more specific identification.