मन्थो वा सर्वेषां प्रमाणम् ॥ कZ_०२.२९.३६ ॥
mantho vā sarveṣāṃ pramāṇam
Alternatively, the (measured) churning output (mantha) is the standard measure for all.
It provides an operationally verifiable metric when direct yield ratios vary, enabling flexible but still accountable auditing.