Pith Number

pith:T6J7V4CS

pith:2021:T6J7V4CSBWI6343UWCEQ26QHRQ

not attested not anchored not stored refs pending

On Proximal Policy Optimization's Heavy-tailed Gradients

Adarsh Prasad, Emilio Parisotto, Joshua Zhanson, J. Zico Kolter, Pradeep Ravikumar, Ruslan Salakhutdinov, Saurabh Garg, Sivaraman Balakrishnan, Zachary C. Lipton

arxiv:2102.10264 v2 · 2021-02-20 · cs.LG · cs.RO · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T6J7V4CSBWI6343UWCEQ26QHRQ}

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	2026-07-05T02:57:15.799684Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f93faf0520d91edf374b0890d7a078c1b3038910044e904fb926f97cbd516c9

Aliases

arxiv: 2102.10264 · arxiv_version: 2102.10264v2 · doi: 10.48550/arxiv.2102.10264 · pith_short_12: T6J7V4CSBWI6 · pith_short_16: T6J7V4CSBWI6343U · pith_short_8: T6J7V4CS

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/T6J7V4CSBWI6343UWCEQ26QHRQ \
  | 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: 9f93faf0520d91edf374b0890d7a078c1b3038910044e904fb926f97cbd516c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3504ac11db094ea64627de284f34e6d61bfcebeb107163dbbffe8429bd48ec6",
    "cross_cats_sorted": [
      "cs.RO",
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-02-20T05:51:28Z",
    "title_canon_sha256": "b53c3ebc829d8104eb9b58a8bce4f6018400f0dcfc227cd50569b8773942f551"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.10264",
    "kind": "arxiv",
    "version": 2
  }
}