\section{Related Work}
\label{sec:related}

\subsection{Distributed cognition and augmentation}

Distributed cognition studies how cognitive work is organized across people,
artifacts, and environments \cite{hutchins1995cognition}. Engelbart's
augmentation program similarly framed computing as increasing collective
human capability rather than merely automating isolated tasks
\cite{engelbart1962augmenting}. The Foundation Triad shares this system-level
view. Its specific claim is that a distributed work world needs separate
mechanisms for preserving reference, warranting reliance, and enabling
participant-aware action.

\subsection{Situated action and coordination}

Suchman argues that plans cannot be separated from situated practice
\cite{suchman1987plans}. Winograd and Flores place commitment and coordination
at the center of work mediated by computers
\cite{winograd1986understanding}. KFD-3 is compatible with those traditions but
depends explicitly on KFD-1 and KFD-2: commitments remain revisable only when
their fact and trust boundaries survive the situation in which they were
formed.

\subsection{Causality, event histories, and provenance}

Lamport's ordering model distinguishes causal structure from a universal
physical clock \cite{lamport1978time}. Event sourcing reconstructs state from
recorded events \cite{fowler2005eventsourcing}, while distributed tracing
preserves relations among runtime operations \cite{opentelemetry}. These
systems provide important material for fact cuts and causal records. The KFD
model adds a separation between occurrence, evidence-bearing record,
purpose-bound trust assessment, participant commitment, and admission into a
successor fact world.

Software supply-chain systems make artifact origin and build process
inspectable. SLSA defines provenance expectations \cite{slsa}, and in-toto
models authorized steps and evidence \cite{intoto2019}. These mechanisms are
strong examples of trust beginning from facts. The triad generalizes the
dependency beyond artifact release while preserving the same caution: valid
provenance for one purpose does not automatically prove every downstream
claim or create cooperation.

\subsection{What remains distinct}

Existing work provides rich accounts of shared cognition, situated action,
commitment, causal ordering, event history, and provenance. The distinct
proposal here is their composition into a small recursive kernel. Stable
reference, warranted reliance, and generative coordination remain separate
roles, and every action must return through consequence and review to the
shared world it changes.
