Mahabharata 12.37.4
सिद्धास्तपोव्रतपराः समागम्य पुरा विभुम्धर्मं पप्रच्छुरासीनमादिकाले प्रजापतिम्
siddhāstapovrataparāḥ samāgamya purā vibhumdharmaṃ papracchurāsīnamādikāle prajāpatim
Our plain-language meaning of this verse is waiting for scholar review.