Open, the site's label. The site credits Tenenbaum's 1996 theorem. For block sequences whose consecutive ratios lie between two constants above $1$ and whose blocks have relative length $j^{-\alpha}$, it proves Erdős's threshold conjecture with critical exponent $\log 2$ (claim page (Tenenbaum, 1996)), an accepted partial claim with refereed evidence. It does not answer the general question, so the derived standing is open with claim none. A thread note of 17 April 2026 with a Lean formalization, both produced with GPT-5.4 Pro, proves the classical Davenport--Erdős criterion: $M_A$ has density $1$ exactly when the densities of the multiples of $A\cap[1,N]$ tend to $1$. On 18 April 2026 its author recast it as an exposition of that known fact (equation (1.3) of Hall and Tenenbaum), so it has no claim page.