Maybe this is improvement in some areas, still I got spurious reasoning and inability to connect three simple facts:
Yes, "el presente acta de nacimiento" is correct in Spanish.
Explanation:
"Acta" is a feminine noun that begins with a stressed "a" sound. In Spanish, when a feminine singular noun starts with a stressed "a" or "ha", the definite article "la" is replaced with "el" to facilitate pronunciation. However, the noun remains feminine.
Adjectives and modifiers that accompany the noun "acta" should agree in feminine gender and singular number. In this case, "presente" is an adjective that has the same form for both masculine and feminine singular nouns.
So, combining these rules: "El" (definite article used before feminine nouns starting with stressed "a")
"Presente" (adjective agreeing in feminine singular)
"Acta de nacimiento" (feminine noun with its complement)
Therefore, "el presente acta de nacimiento" is grammatically correct.