Nairobi · Release certification
Construction — Release certification
Construction's own structural and realism results on Nairobi, pulled straight from the domain's own certification write-up.
Documented release scope · Internal checks of synthetic records, with source dates and known limits. These are not live reruns or independent certification.
Construction Certification Result
16 structural checks. 5 realism checks.
16 structural checks. 5 realism checks.
Nairobi.
16 / 16Structural checks PASS, Nairobi
NAIROBI — 16/16 structural PASS · 5/5 realism PASS
Schedule Slippage
certification check — Completed projects finishing after PlannedEndDate
PASS — real fix, 2026-07-26: Nairobi previously had a 0%-late generation model artifact; now the majority genuinely finish late, Nairobi.
Cost Overrun
certification check — vs. Flyvbjerg et al. global infrastructure cost-overrun literature
PASS — Nairobi cost ratio 1.10, 68.6% over budget; 1.10, 68.63% over budget, after the underlying cost-behavior defect was corrected and revalidated.
Temporal Integrity
certification check — inspection date vs. linked Project/Permit dates
PASS, Nairobi — a real -only floor-logic bug (20,067+ affected rows) found and fixed 2026-07-26.
This is a Construction-scoped extract of what's already published on the domain page. The six-category certification framework (Structural, Statistical, Historical, Privacy, Reproducibility, Explainability) organizes reported checks. Available results depend on the release and domain. See Release certification explorer →.