Pith Number

pith:4V2LNT7S

pith:2019:4V2LNT7SASOTSVP6M472XC6HQL

not attested not anchored not stored refs pending

Policy Optimization Reinforcement Learning with Entropy Regularization

Jingbin Liu, Shuai Liu, Xinyang Gu

arxiv:1912.01557 v3 · 2019-12-02 · cs.LG · cs.AI · 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{4V2LNT7SASOTSVP6M472XC6HQL}

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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

Understanding Human-like Solutions in Combinatorial Optimization via Learning and Search

Receipt and verification

First computed	2026-07-05T01:43:23.897326Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e574b6cff2049d3955fe673fab8bc782de716159d37e0a6144fa9e896428901c

Aliases

arxiv: 1912.01557 · arxiv_version: 1912.01557v3 · doi: 10.48550/arxiv.1912.01557 · pith_short_12: 4V2LNT7SASOT · pith_short_16: 4V2LNT7SASOTSVP6 · pith_short_8: 4V2LNT7S

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/4V2LNT7SASOTSVP6M472XC6HQL \
  | 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: e574b6cff2049d3955fe673fab8bc782de716159d37e0a6144fa9e896428901c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed58542178b41b00b87daad2405696a67380acf7a135187a0be7269601309803",
    "cross_cats_sorted": [
      "cs.AI",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-12-02T11:01:32Z",
    "title_canon_sha256": "5864412765c9ef1a5b91ee6a5b213e86f3b9f316c28248fcc942e3603b46ed5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.01557",
    "kind": "arxiv",
    "version": 3
  }
}