Function look_for_lost 

fn look_for_lost(
    here: &str,
    seal: &Seal,
    region: Option<&Region>,
    now: i64,
) -> bool

A claim left without Android’s word (Sioul stopped between the claim and the hand-off): looked for among the texts Sioul sent since, by its number and its words’ hash; found, sent; else in doubt. Never sent again.