What question did this study set out to answer?

To formalize a decision protocol that aids in making crucial real-world decisions.

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February 5, 2026Open Access

Decision-OS v4 Addendum: Grounded Decision Protocol (V5-compatible Guard)

Key Points

To formalize a decision protocol that aids in making crucial real-world decisions.
Defines a reproducible output format of GO, HOLD, or NO.
Introduces a premortem checklist for evidence evaluation.
Compatible with Decision-OS V5 Guard layer.
Provides a structured approach for assessing best, base, and worst scenarios.
Facilitates decision-making by clearly listing missing evidence in case of HOLD.

Abstract

AbstractThis release provides the v4 addendum that formalizes a grounded decision protocol for real-world, high-stakes (often irreversible) actions. It outputs a reproducible gate: GO / HOLD / NO, designed to be compatible with the Decision-OS V5 Guard layer. Repository (SSOT) GitHub: decision-os-paper / notes / v4-addendum/ README. md (entry point) MEMORY. md (EN canonical memory card) MEMORYJA. md (Japanese memory card) How to useUse the protocol to evaluate best/base/worst scenarios and decide: GO, HOLD (list missing evidence), or NO. Includes a fixed output format and premortem checklist. As-of2026-02-03 (first publication for this addendum release).

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