hat tip
US /ˈhæt tɪp/
UK /ˈhæt tɪp/

1.
saludo, reconocimiento
an acknowledgment of a source of information or inspiration, often used in online contexts to credit someone for sharing something interesting or useful
:
•
A big hat tip to John for sharing that insightful article.
Un gran saludo a John por compartir ese artículo perspicaz.
•
I'd like to give a hat tip to the original researcher for their groundbreaking work.
Me gustaría dar un saludo al investigador original por su trabajo innovador.