Pith Number

pith:5RFNBMNT

pith:2018:5RFNBMNTSW6F6YN2PZX4KDBY4A

not attested not anchored not stored refs pending

An Empirical Analysis of Proximal Policy Optimization with Kronecker-factored Natural Gradients

Jiaming Song, Yuhuai Wu

arxiv:1801.05566 v1 · 2018-01-17 · cs.AI · cs.LG · 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{5RFNBMNTSW6F6YN2PZX4KDBY4A}

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	2026-05-18T00:25:40.878648Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec4ad0b1b395bc5f61ba7e6fc50c38e033035039cf5b08559770d046f6a15d7d

Aliases

arxiv: 1801.05566 · arxiv_version: 1801.05566v1 · doi: 10.48550/arxiv.1801.05566 · pith_short_12: 5RFNBMNTSW6F · pith_short_16: 5RFNBMNTSW6F6YN2 · pith_short_8: 5RFNBMNT

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/5RFNBMNTSW6F6YN2PZX4KDBY4A \
  | 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: ec4ad0b1b395bc5f61ba7e6fc50c38e033035039cf5b08559770d046f6a15d7d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73e7ab40803377b1c68d7ad1999bcd5f3ba0e16133e1d11c862570526a6670d7",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2018-01-17T06:09:09Z",
    "title_canon_sha256": "dcec97c91fddc191290b4a66e7e14191336b5bf1e5169df616d62788d5a63f65"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.05566",
    "kind": "arxiv",
    "version": 1
  }
}