Erdős Problem 400 — qed.bot Claims, announcements and changes recorded against Erdős Problem 400. https://qed.bot/feeds/s/erdos-400.xml 2026-06-22T00:00:00Z qed.bot Erdős Problem 400 — candidate (GPT) urn:qed:d0d65ca90dc9 2026-06-22T00:00:00Z Candidate partial result. Autonomy A1, evidence V0, fidelity F0.