# Hindsight

- **Event:** [Gemini 4 Argon SF Hackathon](https://cerebralvalley.ai/e/gemini-4-argon-sf)
- **When:** Sun, Oct 25 at 9:00 AM – 10:00 PM (PDT)
- **Where:** San Francisco, CA
- **Team:** [Mahesh Krishnamurthi](https://cerebralvalley.ai/u/kdotmahesh)
- **GitHub:** https://github.com/bouncypitch/hindsight
- **Demo video:** https://youtu.be/ZgMhqIWLpNs
- **Gallery:** https://cerebralvalley.ai/e/gemini-4-argon-sf/hackathon/gallery
- **Page:** https://cerebralvalley.ai/e/gemini-4-argon-sf/hackathon/gallery/21

Robot fleets record thousands of hours of video, but real failures are rare and no one has time to find them. Gemini 4 Argon finds them, rebuilds each one as a digital twin, writes the reward, trains a fix with RL, catches reward hacking, and approves the fix only after checking every site.

## More from Gemini 4 Argon SF Hackathon

- [PLAYTEST](https://cerebralvalley.ai/e/gemini-4-argon-sf/hackathon/gallery/18)
- [Pricewalk](https://cerebralvalley.ai/e/gemini-4-argon-sf/hackathon/gallery/19)
- [Iterplay](https://cerebralvalley.ai/e/gemini-4-argon-sf/hackathon/gallery/20)
- [fallguy](https://cerebralvalley.ai/e/gemini-4-argon-sf/hackathon/gallery/22)
- [Witchio United](https://cerebralvalley.ai/e/gemini-4-argon-sf/hackathon/gallery/23)
- [JATAYU](https://cerebralvalley.ai/e/gemini-4-argon-sf/hackathon/gallery/24)

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Markdown version of https://cerebralvalley.ai/e/gemini-4-argon-sf/hackathon/gallery/21. Site index for agents: https://cerebralvalley.ai/llms.txt · full text: https://cerebralvalley.ai/llms-full.txt