Doctrine

Five constraints we measure every system against.

constraints: 5 · status: active · exceptions: 0

01 — Derive, don’t inherit02 — Precision is part of the architecture03 — Refuse false confidence04 — Prove it or don’t ship it05 — Build from the work, not around it

What We Hold
Ourselves To

These aren’t aspirations. They’re engineering constraints. Every system we ship is measured against them.

Derive, don’t inherit.

If a system takes someone else’s output and calls that verification, it hasn’t verified anything. It has just compared two answers and hoped they agree for the right reason.

Precision is part of the architecture.

In high-consequence systems, “close enough” is usually just an error that hasn’t hurt anyone yet. If correctness depends on approximation, the design is already carrying debt.

Refuse false confidence.

A plausible answer built on incomplete data is more dangerous than no answer at all. If the system can’t support the result, it should stop.

Prove it or don’t ship it.

If the result can’t be traced, reproduced, and defended, it isn’t ready. Adding decimal places doesn’t make a weak answer more credible.

Build from the work, not around it.

The best operational software usually comes from people who understand the work firsthand. Research helps. Living with the problem helps more.

WHAT THESE PREVENT

FOLLOWING THESE

—Wrong answers get caught before they ship.
—Missing data halts execution.
—Every result can be traced and reproduced.

IGNORING THESE

×Wrong answers ship with confidence and get caught by regulators.
×Missing data defaults to zero silently.
×Results exist. Proof of how they were derived does not.

doctrine: 5 constraints

status: enforced

exceptions: 0

Every system we ship is measured against these constraints.

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