test_date,pan_label,inside_top_length_cm,inside_top_width_cm,inside_bottom_length_cm,inside_bottom_width_cm,usable_depth_cm,water_capacity_ml,reference_dough_g,baked_result,notes
2026-11-10,Example pan,23,13,21,11,7,1800,850,Record your result,Illustrative row only