---
license: apache-2.0
tags:
- LeRobot
- robotics
---

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## Experiment provenance

**Experiment line:** stack line (colour-cube world). Three cubes differing ONLY in hue; day cycles relabel grasp → pick up → stack. Run pages: https://storage.googleapis.com/rbhowmik-dreamer/site/stack/index.html

First colour-cube seed: the referential go-over family (named hue among identical distractors) plus the context-free verticals.

**What changed:** Root of its line — no parent corpus.

Collected in simulation (robosuite/MuJoCo, Panda): scene + wrist video, proprio, OSC actions, and a language task string minted by the project's verbalizer (certificate → instruction; the relabeler may not invent words).
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