Re: Bar Codes

From: Karl Auerbach <karl_at_cavebear_dot_com>
Date: Mon Apr 02 2007 - 12:31:38 CDT

Richard C. Johnson wrote:

> There is yet another reason for simple bar codes on ballots, and that is
> to allow a machine readable check on the legitimacy of the ballot
> itself. ...

This can be done without bar codes by using watermarked papers, by
printing a human-readable number on the page, or by printing a picture
of some kind onto the ballot (with the picture, like the watermark, not
being chosen until the day of the election.)

(If ink-jet printers are used, it is also possible to use special inks.)

Procedurally, it is important that every piece of paper be accounted-for
- whether it is cast as a ballot, put into the spoiled bin, consumed by
a printer, or taken away by a voter. (When papers leave, the procedures
should case some change in the markings put onto the ballot.)

All of this is independent whether a bar code or direct-human-readable
markings are used.

                --karl--
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Received on Mon Apr 30 23:17:06 2007

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