Bothy

Defence supply-chain exposure

Which programmes break when gallium does?

01 · Platform

Start with the programme.

Which platforms are in scope?

02 · System

Open the system.

Subsystems and assemblies, each one a stored row.

03 · Assembly

Follow it down to the board.

Every hop keeps its source version.

04 · Component

To a single part.

Where the dependency stops being abstract.

05 · Material

To the material inside it.

Gallium. Germanium. The element, not the vendor.

06 · Source

To where it comes from.

Then back up, with a named owner for the next check.

Illustrative imagery · synthetic chain

A dependency is a reason to investigate, not a prediction of failure.

Every claim traces to a stored row. Every gap stays visible. Every next check gets a named owner.

Try a guided investigation

Earlier proof cases

Replays on authored timelines. Demonstrations, not predictive validation.