Implemented
Scope firewall
Keeps three endpoints distinct: a selected scalar system, a selected-group Yang–Mills system, and the theorem for every compact simple group. No silent promotion is permitted.
Neuralgic-point verification
The aim is not to decorate the manuscript with machine-checked code. It is to formalise the places where a plausible argument can silently change scope, lose an assumption, or promote a local estimate into a theorem it does not imply.
Unconditional proof claimed in Volumes I–III. Independent expert review ongoing. Lean formalisation of selected proof interfaces is in progress.
The limit of formalisation
Lean checks selected downstream implications under explicitly encoded hypotheses. It does not replace the analytic arguments in Volumes I–III, and it does not determine independent expert or community acceptance. This is an additional validation track, not a conditional label for the core claim.
Implemented
Keeps three endpoints distinct: a selected scalar system, a selected-group Yang–Mills system, and the theorem for every compact simple group. No silent promotion is permitted.
Implemented
Checks the abstract implication from high-band and core-margin certificates to a positive Hamiltonian spectral gap, including the quantitative gap constant.
Interface formalisation
Formalises cofinal row passage, reflected-Gram positivity, dense symmetry extension, and marked nonescape through the exact analytic boundary supplied by the paper.
Interface formalisation
Builds the reflected pre-Hilbert structure and checks the route from semigroup decay through spectral measure to the reconstructed Wightman gap.
Planned checker
A small trusted Lean checker for selected rational and finite-computation certificates generated outside Lean.
What this increases confidence in
What it does not establish alone