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From: R. Feldman
Subject: What counts as proof?
Date: 24 Kislev 5782
Let the chair reframe.
We have two separate questions:
1. What proof types can a certificate contain? 2. What requirement types can be proven?
For the first, I would propose we adopt Devorah's framing. The certificate declares a method, not a trust judgment. Possible types:
- OBS (observation): witnesses present for an event - ATT (attestation): authority vouches for completion - DOC (documentary): written evidence examined - COM (community): collective recognition
For the second, the requirement registry (DEP-0614) defines what can be certified. The challenge type is orthogonal.
A certificate might say: "Requirement: BRIT-MILAH. Challenge: OBS." Or: "Requirement: GIUR. Challenge: DOC."
—Yaakov Feldman, Chair
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