Pith Number

pith:WPUHZ2WS

pith:2018:WPUHZ2WSX4COJ6GBYC4ULDPAHZ

not attested not anchored not stored refs pending

Accelerated Primal-Dual Policy Optimization for Safe Reinforcement Learning

Eytan Modiano, Fanyu Que, Qingkai Liang

arxiv:1802.06480 v1 · 2018-02-19 · 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{WPUHZ2WSX4COJ6GBYC4ULDPAHZ}

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	2026-05-18T00:23:03.167035Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3e87cead2bf04e4f8c1c0b9458de03e5b423863586037451024ef522acd2ff7

Aliases

arxiv: 1802.06480 · arxiv_version: 1802.06480v1 · doi: 10.48550/arxiv.1802.06480 · pith_short_12: WPUHZ2WSX4CO · pith_short_16: WPUHZ2WSX4COJ6GB · pith_short_8: WPUHZ2WS

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/WPUHZ2WSX4COJ6GBYC4ULDPAHZ \
  | 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: b3e87cead2bf04e4f8c1c0b9458de03e5b423863586037451024ef522acd2ff7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c54d1e91a3fa30d8425cf11336a9dad96b927efa3d9b3df7350ef8c781121d0d",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2018-02-19T01:25:26Z",
    "title_canon_sha256": "7a95e161639567cfe2260b2229a203ef5b8c12c3c263b81ace0fc7c78eba92d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.06480",
    "kind": "arxiv",
    "version": 1
  }
}