namaḥ saravatathāgatebhyo viśva-mukhebhyaḥ sarvathā-khaṃ udgate spharaṇa imaṃ gagana-khaṃ svāhā
Note
This mantra is often called the Sky Treasury Mantra, as the Sky Treasury Mudra is generally performed while reciting it. This is, however, a misnomer.