Gobhilagrihyasutra 2.1.7

2.1.7

pāṇāv ādhāya kumāryā upanāmayed: ṛtam eva prathamam, ṛtam nā 'tyeti kaścana, rta iyaṃ pṛthivī śritā, sarvam idam asau bhūyād iti tasyā nāma gṛhītvai 'ṣām ekaṃ gṛhāṇe 'ti brūyāt.

Taking them in his hand he should offer them to the girl, and (reciting the formula): 'Right alone is the first; right nobody oversteps; on right this earth is founded. May N.N. become this universe!'—he should pronounce her name and should say: 'Take one of these.'