That filename refers to a widely shared video from , featuring a homeless man and a dog .
: He carefully divides his small meal to ensure the dog gets a portion. 2020-08-15_5f3757008a39957aeaab9_source.mp4
The post became a "helpful" or "wholesome" staple in online communities because it illustrates the idea that "those who have the least often give the most." That filename refers to a widely shared video