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Passport numbers at the bottom?

  • 08-07-2011 4:35pm
    #1
    Dr.Dre
    Registered Users, Registered Users 2 Posts: 152 ✭✭


    Can anyone out there tell me what all the security numbers at the bottom of the passport mean or refer to? I always wondered why they were there so figured id ask..

    Any help would be greatly appreciated.

    And mods, go ahead and move this to a different forum if im in the wrong place ;)


Comments

  • #2
    number10a
    Registered Users, Registered Users 2 Posts: 1,062 ✭✭✭number10a


    It basically contains all of the information that's on the page above it in the format that a computer can read. If you look, you'll see your date of birth backwards (always looked here when I was a barman instead of above and caught a few underage in the process), you'll see M/F for your sex, your passport number is there, the expiration date is there (again, backwards) and you'll see IRL. I think your name is there too. Not sure. Don't have mine with me right now. All the >>>>>>>>>>>'s are just spaces really. They mean nothing.


  • #3
    Condatis
    Registered Users, Registered Users 2 Posts: 651 ✭✭✭Condatis


    They work like the numbers on the Post Office receipt which you use to track parcels or registered letters which you mail. You input the numbers on line to establish the dates of: mailing, arrival at the sorting office, dispatched for delivery, delivery.

    Just think of yourself as a parcel – of course you can't input the numbers on your Passport – other sorts do that.


  • #4
    Dr.Dre
    Registered Users, Registered Users 2 Posts: 152 ✭✭Dr.Dre


    Great info thanks guys :)

    However on the very bottom line there is <<<<<<<<<<<<<<2

    Anyone have any idea what the 2 is for?


  • #5
    undo
    Registered Users, Registered Users 2 Posts: 860 ✭✭✭undo


    My Polish national ID has "<<<<<<<<8" at the end of the second line. I am thinking it may be some kind of checksum.


  • #6
    Dr.Dre
    Registered Users, Registered Users 2 Posts: 152 ✭✭Dr.Dre


    undo wrote: »
    My Polish national ID has "<<<<<<<<8" at the end of the second line. I am thinking it may be some kind of checksum.

    What do you mean by checksum may I ask?


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  • #7
    undo
    Registered Users, Registered Users 2 Posts: 860 ✭✭✭undo


    A checksum is a computer science term. It is used by computers to check that the data they have read is correct. Wikipedia has an article on the topic but it seems anything but easy to read. Basically, the number is meaningless to a human and just helps a computer to notice if it happens to misread one of the letters in your name or a number somewhere in one of the dates.


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