👉 In the context of legal proceedings, an "underproof" is a type of proof that does not directly challenge the validity or authenticity of a document or claim. It is used in situations where the party who presented the evidence did not intend to present it as such and instead presented a statement made by someone else, or a piece of information that was not intended to be considered as part of the original document. Underproofs can take many forms, including statements made by witnesses, statements made by experts
