The Key 4 AI, Ledgerhttps://thekey4.ai/ledger/2026-09-17T00:00:00ZEvery regulator we quote is quoted from its primary text, with its status stated.https://thekey4.ai/ledger/#Every%20regulator%20we%20quote%20is%20qu2026-09-17T00:00:00ZHeld. Thirteen entries; two are drafts, one a consultation, one a proposed issue, two publisher's abstracts.AI transformation and agentic AI are what we do; owned and provable is how.https://thekey4.ai/ledger/#AI%20transformation%20and%20agentic%202026-09-17T00:00:00ZClaimed. Stated on the front page. Every agent we build or assure is graded by a verifier.The Key 4 Learning is the first Studio company. Its product is Clarify.https://thekey4.ai/ledger/#The%20Key%204%20Learning%20is%20the%20firs2026-09-17T00:00:00ZClaimed. Product page published; brochure v0.1.Clarify is built and in early access.https://thekey4.ai/ledger/#Clarify%20is%20built%20and%20in%20early%202026-09-17T00:00:00ZHeld.One role per model. We build it, or we assure it. Never both.https://thekey4.ai/ledger/#One%20role%20per%20model.%20We%20build%20i2026-09-15T00:00:00ZClaimed. Published as The Rule, v0.1.A small model post-trained with verifiable rewards matches a much larger one on the same test.https://thekey4.ai/ledger/#A%20small%20model%20post-trained%20wit2026-09-15T00:00:00ZUnder test. Three tests pending: perturbed problems, post-cutoff problems, outside reproduction.