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From: R. Nachmani
Subject: The uniqueness requirement
Date: 13 Sivan 5783
Subject: The bit calculation
I want to return to Dr. Stern's observation about bits.
If our format captures 66 to 100 bits of identity information, how does this compare to other identity representations?
A passport captures perhaps a dozen fields: name, birthdate, birthplace, sex, nationality. Photograph. Maybe 100 bits in the structured data, more in the image.
A dating profile captures more. Age, location, interests, preferences, free text. Perhaps thousands of bits.
Our format falls between. More expressive than a passport. Less expressive than a profile.
Is this the right level of resolution for Jewish identity? I do not know. But it is interesting that we land in this range.
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