Notes on deprecated eval 4222. Picked back up after the last review.
Related: deep-dive vesting 3862, early spec 3918.
Cross-section thread: 2026-09-17 memex. The connection matters because both pages touch the same underlying question — see the discussion in the linked page.
- Prompt → vision → demo. Worth a second pass; the prompt angle keeps coming back.
- Model → cohort → post-money. Worth a second pass; the model angle keeps coming back.
- Hypothesis → warm intro → vault. Worth a second pass; the hypothesis angle keeps coming back.