The Law Code of Yājñavalkya 2.7.2.5

2.7.2.5

tulāyā dhāraṇaṃ tolanaṃ ye vidanti suvarṇakāraprabhṛtayas taiḥ pratimānena mṛdādinā samībhūtaḥ samīkṛtas tulām āśrito 'dhirūḍho 'bhiyukto 'bhiyoktā vā divyakārī rekhāṃ kṛtvā yena saṃniveśena pratimānasamīkaraṇadaśāyāṃ śikyatale 'vasthitas tasmin pāṇdulekhenāṅkayitvāvatāritas tulām abhimantrayet prārthayed anena mantreṇa | he tule tvaṃ satyasya sthānam asi | purā ādisṛṣṭau devair hiraṇyagarbhaprabhṛtibhir vinirmitotpāditā | tat tasmāt satyaṃ saṃdigdhasyārthasya svarūpaṃ vada darśaya kalyāṇi śobhane asmāt saṃśayān māṃ vimocaya | he mātaḥ yady ahaṃ pāpakṛd asatyavādy asmi tato maṃ tvam adho naya | atha śuddhaḥ satyavādy asmi tato mām ūrdhvaṃ gamayeti | prāḍvivākasya tulābhimantraṇamantraḥ smṛtyantaroktaḥ | ayam tu divyakāriṇaḥ | jayaparājayalakṣaṇaṃ tu mantraliṅgād evāvagamyata iti na pṛthag uktam | dhaṭanirmāṇaṃ punar ārohaṇādyarthasiddham eva pitāmahanāradādibhiḥ spaṣṭīkṛtam | tad yathā:

By those who know the holding—that is, the weighing—of the balance, such as goldsmiths and the like, equalized—that is, made level—by means of a counterpoise such as clay, mounted upon—that is, having ascended—the balance, the accused or the accuser undergoing the ordeal, having made a mark—having marked with a chalk line in whatever position he stood upon the base of the weighing-pan at the time of equalization with the counterpoise—and taken down, should address—that is, pray to—the balance with this mantra: “O Balance, you are the abode of truth. Of old, at the beginning of creation, you were fashioned—that is, produced—by the gods beginning with Hiraṇyagarbha. Therefore speak—that is, reveal—the truth, the actual nature of the disputed matter, O auspicious, beautiful one! Deliver me from this doubt. O Mother, if I am an evildoer, a speaker of untruth, then bring me down; but if I am pure, a speaker of truth, then raise me up.” The judge's mantra for addressing the balance is stated in another legal treatise, whereas this one belongs to the person undergoing the ordeal. The sign of victory or defeat is understood from the very wording of the mantra, so it is not stated separately. Furthermore, the construction of the balance, which is established for the purpose of ascending and the like, has been clarified by Pitāmaha, Nārada, and others, as follows: