Armenteros, silver in the world of Chelyabinsk-2014, won by Ippon in three of the four matches he played this Sunday in the 100 kilograms.
First he defeated the local Viktar Larchanka, after Slovakian Matej Hajas and Estonian Grigori Minaskin in semifinals.
In the discussion of the yellow metal he had to work hard to achieve victory by yuko against Russian Niiaz Bilalov.
Meanwhile, Silva took silver in the 81 kg, after beating four of his five rivals of the day.
The other Cuban competing this Sunday, Alex Garcia (over 100) finished fifth after winning two matches, losing another and yield in the fight for the bronze medal by ippon against Czech Michal Horak.
Saturday Magdiel Estrada won silver in the 73 kg and his compatriot Carlos Tondique was bronze in the 66 kg and Yandry Torres finished fifth rung of the 60 kg.
Thus Cuba ended in third place in the overall medal Judo Open with one gold, two silver, one bronze and two fifth places behind France (4-1-3) and Germany (3-3 -4).
For men Cubans were second, behind the French, who added three gold medals.
In total, 276 competitors in the tournament, 182 men and 94 women participated, representing 34 countries.
The Caribbean, to whom Asley González (90 kg) will join now, will compete next weekend in the Grand Prix in Budapest, Hungary.