बौधायन श्रौतसूत्रम् (कृष्ण यजुर्वेद तैत्तिरीय शाखा - सम्पूर्ण प्रश्न एवं श्रौत-याग कल्प सटीक)

सुविते मा धा इति॑ स यावन्त ऋत्विजस्तेष्व-
Wait, "सत्यमुपगेषᳵ" or "सत्यमुपगेषं"?
Look at the character after "सत्यमुपगेष":
It is that same butterfly/gomukha/upadhmaniya-like symbol: 'ᳵ' or 'ꣳ' (before 'सु')!
Wait, in Caland, he uses 'ᳵ' (or anunasika before sibilants) for anusvara/anunasika before sibilants (ś, ṣ, s)!
Notice line 8: "चरत्युपाᳵशु" (before ś)
Line 18: "सत्यमुपगेषᳵ सुविते" (before s)
Yes! Caland uses this exact sign whenever an anunasika/anusvara precedes a sibilant!
In Unicode, this is U+1CD5 (ᳵ) or U+A8F3 (ꣳ) or similar. Often in transcripts of Caland it is written as ᳵ or ꣳ. Let's use ᳵ (or ꣳ). ᳵ is U+1CD5.

Let's check line 19:
ष्ववमृष्टा यजमान एव चिरवजिघ्रति प्रजापतौ त्वा मनसि
Wait, look