Pith Number

pith:A6CH3SNK

pith:2021:A6CH3SNKIW566YYRFOQYGAP44F

not attested not anchored not stored refs pending

CleanRL: High-quality Single-file Implementations of Deep Reinforcement Learning Algorithms

Chang Ye, Jeff Braga, Rousslan Fernand Julien Dossa, Shengyi Huang

arxiv:2111.08819 v1 · 2021-11-16 · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A6CH3SNKIW566YYRFOQYGAP44F}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T03:32:41.256941Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07847dc9aa45bbef63112ba18301fce150f64d1b810d6c347680115b11730319

Aliases

arxiv: 2111.08819 · arxiv_version: 2111.08819v1 · doi: 10.48550/arxiv.2111.08819 · pith_short_12: A6CH3SNKIW56 · pith_short_16: A6CH3SNKIW566YYR · pith_short_8: A6CH3SNK

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/A6CH3SNKIW566YYRFOQYGAP44F \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 07847dc9aa45bbef63112ba18301fce150f64d1b810d6c347680115b11730319

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06728a2b0532bcaf8f908a610bc00dc89e0f9bdaaa975a9c39fcf16908824f87",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-11-16T22:44:56Z",
    "title_canon_sha256": "c20c90edf43dfc81cbc0447ed29a5ab59c04badf941b66e04db267f56b96b538"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.08819",
    "kind": "arxiv",
    "version": 1
  }
}