द्वादशाङ्गुला वितस्तिः छायापौरुषं च ॥ कZ_०२.२०.१० ॥
dvādaśāṅgulā vitastiḥ chāyāpauruṣaṃ ca
ヴィタスティ(vitasti、指尺)は十二アングラ(aṅgula)であり、「影の人」(chāyā-pauruṣa)の尺度もそれに基づいて定められる。
Because uniform base units reduce disputes and corruption in surveying, wage-work measurement, procurement, and tax assessment.
It provides a practical, reproducible field method for estimating standardized height/length relationships during surveying and construction checks.