The duties of a Hebrew Scribe or Sofer have kept the Torah Scroll .00004 error free for 3,500 years. There are only six Hebrew letters in question.
YK's Sofer Blog - Jewish Scribe - לבלר סופר: Halacha LeMaase: Hanging Words
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Temple Emanuel Sinai - Meet our Sofer! Neil Yerman is a sofer (the Hebrew word for scribe) — a person who writes and restores Torah scrolls. To become a sofer, he had
The Scribe: an Ancient Profession in Today's World - Bridges for PeaceBridges for Peace
Netivyah Bible Instruction Ministry - As a Certified Scribe (Sofer STaM), I recently had the honor of restoring a Torah scroll for King of Kings / Nachalat Yeshuatenu, our beloved sister congregation
The duties of a Hebrew Scribe or Sofer