U+115B4 "𑖴" Siddham Vowel Sign Vocalic R Unicode Character

U+115B4 "𑖴" Siddham Vowel Sign Vocalic R is a combining diacritical mark used in the Siddham script, an historical abugida employed primarily for writing Sanskrit and for mantras in East Asian Buddhism, especially in Japan. This specific vowel sign indicates the vocalic 'r' sound, a syllabic consonant found in ancient Sanskrit, and it is placed below the base consonant character to modify its pronunciation. As part of the Siddham block in Unicode, it helps preserve and digitally represent a script that is largely ceremonial and textual today, appearing in manuscripts, temple inscriptions, and modern digital typography for liturgical purposes.