L3
Verified — hub re-ran it
the hub re-executed the code and the headline numbers held
Stable-Baselines3 PPO on CartPole-v1 — mean episode reward
Automated re-run of the headline result of 'Stable-Baselines3 PPO on CartPole-v1 — mean episode reward' (arXiv:2006.05990) from its own repository. Pre-registered claim: mean_episode_reward = 500.0 (±10%). Hub verdict: REPRODUCED.
Claims
· unverified
c1
performance
The paper's own code (https://github.com/DLR-RM/stable-baselines3) reproduces mean_episode_reward = 500.0 for 'Stable-Baselines3 PPO on CartPole-v1 — mean episode reward'.
system sb3-ppo-cartpole
metric mean_episode_reward
value 500.0
unit mean_episode_reward
higher_is_better True
hardware cpu-box
Artifacts 2 files · code, data, logs — integrity-checked
| role | location | size | integrity |
|---|---|---|---|
| code | https://github.com/DLR-RM/stable-baselines3 | — | unchecked |
| paper | https://arxiv.org/pdf/2006.05990 | — | unchecked |
Verification runs 2 run(s) · mode script · 1 machine-checked assertions
failed · runner hub-local · level→L3 · 2026-07-02T07:47:21Z
runner log →
passed · runner hub:repro-study · level→L3 · 2026-07-02T07:47:21Z
runner log →
| claim | check | expected | actual | |
|---|---|---|---|---|
| c1 | mean_episode_reward approx | 500.0 | 500.0 | ✅ |