How to Write a Technical Book Without Gender Pronouns

Every single character in the book has a gender neutral name, very much on purpose. They also have alliterative names for their role. There's not a single gendered pronoun in the entire book. We wanted to come up with a way to separate each of the sisop squad stories from the main text. And so we came up with this idea of using time stamps. Each story starts with a date and a time, but not a year. But there's a slightly jumbled chronology those time stamps.