{ "total_problems": 5426, "problems_by_difficulty": { "L1: Tractable": 916, "L2: Intermediate": 332, "L3: Advanced": 3440, "L4: Expert": 601, "L5: Millennium Prize": 137 }, "problems_by_category": { "Computer Science": 57, "Number Theory": 677, "Mathematical Physics": 50, "Partial Differential Equations": 35, "Algebraic Geometry": 26, "Combinatorics": 399, "Graph Theory": 727, "Topology": 1217, "Geometry": 605, "Algebra": 145, "Set Theory": 16, "Dynamical Systems": 421, "Group Theory": 299, "Analysis": 559, "Logic": 50, "Probability": 142, "Miscellaneous": 1 }, "problems_by_status": { "open": 4271, "solved": 192, "partially_solved": 963 }, "problems_by_set": { "millennium_prize": 6, "hilbert_problems": 12, "green_problems": 85, "darpa_challenges": 17, "smale_problems": 8, "landau_problems": 1, "hardy_littlewood_conjectures": 3, "erdos_problems": 632, "guy_prime_numbers": 22, "kourovka_new_problems_21": 150, "kirby_low_dimensional_topology": 366, "opengarden": 422, "amr_open_problem_lists": 3342, "unspecified": 360 }, "amr_research": { "reports_total": 3342, "classifications": { "PARTIAL-PROGRESS": 963, "OPEN-TRIAGE": 2196, "SOLVED-IN-LITERATURE": 181, "SOLVED-BY-YOU": 2 }, "note": "Every AMR problem carries an individual research report in research/ (solution attempt, partial progress, or literature triage), produced by an AI research fleet and verified in a human-supervised audit (Aug 2026). Classifications: SOLVED-BY-YOU (original AI proof), SOLVED-IN-LITERATURE (resolution found and citation-verified), PARTIAL-PROGRESS, OPEN-TRIAGE (literature status triaged, problem open)." }, "version": "1.3.0" }