Pith Number

pith:4TUPT7L2

pith:2018:4TUPT7L2UHSC7OBKE3IVK4K666

not attested not anchored not stored refs pending

Proximal Policy Optimization and its Dynamic Version for Sequence Generation

Hung-yi Lee, Jinzhi Zhang, Yi-Lin Tuan, Yujia Li

arxiv:1808.07982 v1 · 2018-08-24 · cs.CL · 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{4TUPT7L2UHSC7OBKE3IVK4K666}

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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

Generative Question Refinement with Deep Reinforcement Learning in Retrieval-based QA System

Receipt and verification

First computed	2026-05-18T00:07:22.870349Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4e8f9fd7aa1e42fb82a26d155715ef7a2aa09cb810bfc147c4f8abb9e920247

Aliases

arxiv: 1808.07982 · arxiv_version: 1808.07982v1 · doi: 10.48550/arxiv.1808.07982 · pith_short_12: 4TUPT7L2UHSC · pith_short_16: 4TUPT7L2UHSC7OBK · pith_short_8: 4TUPT7L2

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/4TUPT7L2UHSC7OBKE3IVK4K666 \
  | 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: e4e8f9fd7aa1e42fb82a26d155715ef7a2aa09cb810bfc147c4f8abb9e920247

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "249d361ef9d861ce4282e24080b48cbd4c9d303cd5ebe881c142186d98cba9fe",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-08-24T02:14:43Z",
    "title_canon_sha256": "61224080f1a1ae947cbab93c00a7d29a1eeb081a7fd0c137278c6a65f9250e19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.07982",
    "kind": "arxiv",
    "version": 1
  }
}