Anthropic research Claude increased the lower bound on the proportion of Riemann-zeta zeros consistent with the Riemann Hypothesis

Results from a non-public, research-oriented Claude model indicate that the Anthropic-developed system did not solve the Riemann Hypothesis, but raised the lower bound on the proportion of Riemann-zeta function zeros that align with the hypothesis from 41.6% to 67.2%; this is a significant advance in number theory research but not proof of the full hypothesis.