Comment by upofadown

Yes, that is specifically what enabling signatures prevents. You would know when the stored password stopped working and the content of the rest of the file changed.

That article is fairly rough. For one thing it references "The PGP Problem":

* https://articles.59.ca/doku.php?id=pgpfan:tpp

For another thing it references "the quantum threat against cryptography" as an actual argument against password store.