Bhagavatapurana 5.26.13

5.26.13

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yas tv iha brahma-dhruk sa kālasūtra-saṃjñake narake ayuta-yojana-parimaṇḍale tāmramaye tapta-khale upary-adhastād agny-arkābhyām ati-tapyamāne 'bhiniveśitaḥ kṣut-pipāsābhyāṃ ca dahyamānāntar-bahiḥ-śarīra āste śete ceṣṭate 'vatiṣṭhati paridhāvati ca yāvanti paśu-romāṇi tāvad varṣa-sahasrāṇi //

14. He who is treacherous to Pitris, men of wisdom and Brahmins (is thrown into) a hell called Kalasutra and placed on the surface of burning copper, tenthousand yojanas in extent above and constantly heated by the fire below and by the Sun above, with his body in and out in a burning state on account of hunger and thirst, he has to sit, lie down, stand or run about for as many thousand years as there are blades of hair on the body of a cow.