On Mon, 14 Mar 2022, Henning Hraban Ramm via ntg-context wrote:

> Hi, I’ve a stupid question: How do I get the default tilde character 
> from a font?
> 
> ~ is a fixed space
> \texttilde gives a tilde accent
> \utfchar{0x007E} yields a space (probably the same as ~)

\textasciitilde 

Aditya