Never trust a parrot to check your shopping list

... unless you know your shopping list is shorter than N, were N is unknown.

Claude.ai :

> The PDF text is extracted page by page, separated by form-feed characters (\f). To keep processing fast, the verification script only reads the first 40 pages of the file. [XXX] happens to appear on page 41 or later, so the verification parser simply didn't reach it and returned "NOT FOUND."