Mahadeva Stories From The Shiva Purana Pdf Upd __link__ -

In that instant, the pillar split open, revealing Lord Shiva in his full, resplendent form. He cursed Brahma that no one would ever worship him properly (a curse reflected in the rarity of Brahma temples) and banished the ketaki flower from any sacred offering. Vishnu, for his honesty, earned the equal status of being Shiva’s devotee.

Brahma flew upward as a swan to find the top, while Vishnu dug downward as a boar to find the base.