Code point
U+3190
Glyph appearance depends on your fonts.
U+3190
SoU+3190 IDEOGRAPHIC ANNOTATION LINKING MARK is a Unicode 16.0.0 character in the Other Symbol category. It belongs to the Kanbun block.
Choose the representation you need, then copy its value.
U+3190
12688
㆐
㆐
E3 86 90
3190
00003190
%E3%86%90
\u3190
\u3190
\u3190
\3190