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From: R. Nachmani
Subject: Digital verification of kashrut certification
Date: 16 Elul 5780
We have seen this wall before.
In the zmanim discussions, we asked: who can attest that they observed sunset? To verify the observation, we needed to verify the observer. To verify the observer, we needed to establish their standing. To establish their standing...
The same wall. From a different direction.
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