Open-question validation: cube_net_dataset_3000
Status: PASS
Source items: 3000
Included: 3000
Excluded: 0
Exclusions: {}
Sub-facts: flat_edge_neighbours, opposite_face
Constant-answer baselines: {"flat_edge_neighbours": 0.08266666666666667, "opposite_face": 0.178}
Fields >=60%: {}
Independent derivation mismatches: 0
Deterministic sub-fact dependency violations: 0
PNG recovery: 3000/3000
Special checks: {}
Issues: []