Did the Torah Ever Change?
How do I know that the Torah didn't get distorted over the ages?
We know that when a scribe is writing a new Sefer Torah, he has to read every word from an existing Torah scroll, or a printed copy, one word at a time. The entire Torah Scroll then has to be checked three times by independent, qualified checkers. Should any error creep in, as much as a letter, if that should be a letter that’s joining another letter, if there is any possibility of any confusion later on, we quickly stop reading that sefer Torah, even in mid sentence. As a result of this we were able to take the Torah Scrolls from Yemen, a group of people who had been isolated for thousands of years with no contact with broader community, and we saw that they correlated exactly with our Torah Scrolls. We were able to confirm that what we have today is accurate.