found via Linkdump 19/2026 | Dirks Logbuch
If the original link is no longer available, you can find a copy of it on the WayBack Machine: https://web.archive.org/web/20260517192827/https://leanspark.ai/blog/why-validation-before-building
revision: Sun May 17 21:29:24 2026 +0200 | d68a7a2 - history: links/2026-05-17-validate-building.org