The Drift Stack™ — Architecture v2.0

This page explains what Drift is, why it’s real, where it shows up, and why governance cannot be post-hoc. Drift Stack™ is an architecture — a governed specification — that formalizes invariants, admissibility, and correction as explicit layers.

If you only remember one line: LLM outputs are not “the system.” The system is execution authority — what can write state, trigger action, move money, revoke access, or commit irreversible outcomes.

What Drift Is (and why it matters)

Drift is not “model hallucination.” Drift is a structural phenomenon: systems deviate from their intended invariants over time — across AI, organizations, institutions, economies, and human cognition — because authority paths are not constrained by enforceable boundaries.

  • Drift is real: it appears across domains, not just in AI.
  • Drift has an order of collapse: certain invariant failures predictably come first, and the rest follow.
  • Governance cannot come post-hoc: once execution authority is permitted to act, “oversight after the fact” becomes narrative management, not control.
  • Architecture establishes invariants: the system must be designed so invalid trajectories cannot form.

Drift Shows Up Everywhere

Drift Stack™ is supported by public writing, examples, and profession-specific entry points. The point is not that “AI is uniquely dangerous.” The point is that drift is a general failure mode — and AI simply makes it faster and harder to see.

Start Reading Here → (canonical orientation)
Read by Profession → (evidence + entry points by domain)
Drift Stack™ Overview → (high-level concept map)

LLM ≠ System

An LLM can generate text. A system can execute. The risk is not “bad text.” The risk is delegated execution authority: systems that can cause irreversible state changes based on unstable reasoning.

Drift Stack™ focuses on the authority path — what can act, what can write, what can trigger outcomes — and enforces structural invariants before execution occurs.

Architecture establishes invariants

Drift prevention is not a vibe. It is not “monitoring.” It is not “retries.” It is not “AI safety slogans.” It is explicit invariant structure — named layers that determine what can and cannot occur.

  • Layers are named. Each layer has a purpose and constraints.
  • Admissibility gates are explicit. They belong to a layer and enforce coherence boundaries.
  • Governance must be pre-execution. If the gate is not enforced before action, you don’t have governance.

Admissibility gating ≠ external correction

These are complementary — not substitutes.

  • Admissibility gating prevents the wrong action from happening in the first place.
  • External correction prevents the right action from becoming wrong over time.
  • Drift Stack™ shows how both must be architected as explicit layers, with defined boundaries and authority paths.
SAQ™ Admissibility Gate → (pre-execution gate posture)
Canonical references

If a system can’t show identity, boundary, and ledger invariants before compute, it is structurally exposed — no matter how good the outputs look.

Conformance Evaluation →