विंशतितण्डुलं वज्रधरणम् ॥ कZ_०२.१९.०७ ॥
viṃśatitaṇḍulaṃ vajradharaṇam
Un vajra-dharaṇa (une unité de poids standard appelée « vajra-dharaṇa ») équivaut à vingt grains de riz.
Because grains are widely available reference objects; the state can anchor official standards to simple, replicable baselines to reduce disputes and fraud.
Named units allow uniform procurement, taxation, and adjudication by ensuring everyone refers to the same certified standard.