Easter eggs and references, including O.B.'s name Ouroboros symbolizing infinite time, a Jurassic Park quote from Miss Minutes, and hints at the true Kang the Conqueror, add depth to the episode's storyline.

Source: https://collider.com/loki-season-2-episode-4-easter-eggs/

Ouroboros was backing up from finishing third at Flemington last Saturday.

Source: https://www.sportsnews.com.au/horse-racing/ouroboros-lands-breakthrough-win/590222

The Ouroboros and The Sons of Ouroboros are the best Belt and respectively, making this one of the better side quest rewards in the entire game.

Source: https://gamerant.com/ff16-xvi-final-fantasy-16-blacksmiths-blues-3-walkthrough-side-quest-guide/

The Ouroboros and The Sons of Ouroboros are the best Belt and respectively, making this one of the better side quest rewards in the entire game.

Source: https://gamerant.com/ff16-xvi-final-fantasy-16-blacksmiths-blues-3-walkthrough-side-quest-guide/

This is further confirmed when Loki slips into the past and meets Ouroboros (Ke Huy Quan), with their conversation in the past influencing the one O.B. was having with Mobius in the present.

Source: https://screenrant.com/loki-season-2-opening-finale-change/