The term free software was coined in 1985 by Richard Stallman when launching the GNU Project-a collaborative effort to create a freedom-respecting operating system-and the Free Software Foundation, or FSF.
You cannot verify a passport number. But the local police and the embassy / consulate of the country that issued the passport are normally able to do so. Most issuing authorities keep lists of cancelled passports. The Interpol also has such a list to which your local police may have access. Views.
When referring to a document number for a passport, generally that is the passport number. If it is a US Passport, that it is the 9 digit number located in the top corner of the passport info page. In the example below the passport number is 31195...