Pith Number

pith:B5QA7OYV

pith:2022:B5QA7OYV4GU65EMGC4XG536RCK

not attested not anchored not stored refs pending

You May Not Need Ratio Clipping in PPO

Guoqing Liu, Katja Hofmann, Mingfei Sun, Sam Devlin, Shimon Whiteson, Tao Qin, Vitaly Kurin

arxiv:2202.00079 v1 · 2022-01-31 · cs.LG · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B5QA7OYV4GU65EMGC4XG536RCK}

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.

Cited by

1 paper in Pith

KLip-PPO: A per-sample KL perspective on PPO-Clip

Receipt and verification

First computed	2026-07-05T03:53:18.291163Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f600fbb15e1a9ee9186172e6eefd112a3567adbb6e58f365373e0decf016ad9

Aliases

arxiv: 2202.00079 · arxiv_version: 2202.00079v1 · doi: 10.48550/arxiv.2202.00079 · pith_short_12: B5QA7OYV4GU6 · pith_short_16: B5QA7OYV4GU65EMG · pith_short_8: B5QA7OYV

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/B5QA7OYV4GU65EMGC4XG536RCK \
  | 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: 0f600fbb15e1a9ee9186172e6eefd112a3567adbb6e58f365373e0decf016ad9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f5bdefb6643454d02af375f144e9cdd66dcb6fa8987dff2e7ea4f35859ce71c",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-01-31T20:26:56Z",
    "title_canon_sha256": "3f04600e69df9ba64222c04fb2b495e109a0b67a388d50ed7c20529d53744bc4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.00079",
    "kind": "arxiv",
    "version": 1
  }
}