Buddhist proverbs draw lots.
Generally speaking, "afterimage" may refer to the meaning or explanation corresponding to the signing of the contract, or it may be some phenomena or signs related to the signing of the contract observed by lottery players after the lottery.
Judging from some of the contents you provided, the afterimage seems to describe a situation in which things are impermanent, true and false are difficult to distinguish, and good and evil are difficult to distinguish. Specifically, it mentions that all living beings, like the blind, can't tell the truth and evil of things; Even if someone speaks clearly, they may not be able to see and understand in the end. In addition, it also mentioned the importance of not fighting with others, because indisputable is bliss and indisputable is Tao.
Generally speaking, the seventy-sixth sign should be a sign to remind people to distinguish between true and false, good and evil, not a sign to fight with others. The specific meaning may vary from person to person, but in general, it should encourage people to maintain inner peace, tranquility and kindness.