This specific naming convention (Date-ID-Title) is frequently associated with:
: It could be a catalog entry for a contemporary artwork. 2018-10-05-14129346-Was_t.jpg
(e.g., a specific website, social media, or a textbook) a specific website
: It may refer to a specific photograph or digital scan from a news outlet (like The Guardian or AP ) published on October 5, 2018. an abstract painting)
(e.g., a person, a landscape, an abstract painting)