Pith Number

pith:CT56DUHO

pith:2018:CT56DUHOUWBF6NCR5BKYMO3I57

not attested not anchored not stored refs pending

Global Convergence of Policy Gradient Methods for the Linear Quadratic Regulator

Maryam Fazel, Mehran Mesbahi, Rong Ge, Sham M. Kakade

arxiv:1801.05039 v3 · 2018-01-15 · 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{CT56DUHOUWBF6NCR5BKYMO3I57}

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	2026-05-17T23:50:38.792792Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

14fbe1d0eea5825f3451e855863b68efe9c924834861b95c86ceb96f13a2072c

Aliases

arxiv: 1801.05039 · arxiv_version: 1801.05039v3 · doi: 10.48550/arxiv.1801.05039 · pith_short_12: CT56DUHOUWBF · pith_short_16: CT56DUHOUWBF6NCR · pith_short_8: CT56DUHO

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/CT56DUHOUWBF6NCR5BKYMO3I57 \
  | 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: 14fbe1d0eea5825f3451e855863b68efe9c924834861b95c86ceb96f13a2072c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5862a4a9cf9d9686f29a70cdeee2a1c7f5a44547537612f4f1a23bdd94ef3f57",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-01-15T21:40:50Z",
    "title_canon_sha256": "20770361605e8bfe0845253a52422d78511ee1138a9aaed396413e6c7424d0ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.05039",
    "kind": "arxiv",
    "version": 3
  }
}