Pith Number

pith:UQBBR3MV

pith:2026:UQBBR3MVAF5G7MDW3IRXYOWWN7

not attested not anchored not stored refs pending

ProRL: Effective Reinforcement Learning for Proactive Recommendation via Rectified Policy Gradient Estimation

Ao Xu, Denghui Geng, Deqing Yang, Hengrui Chen, Hongru Hou, Jiaqing Liang, Jinhui Huang, Tiehua Mei

arxiv:2605.28293 v1 · 2026-05-27 · cs.LG · cs.AI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UQBBR3MVAF5G7MDW3IRXYOWWN7}

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	2026-05-28T01:05:05.453826Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a40218ed95017a6fb076da237c3ad66fefa9d6448efb7cce631dfd11dda018ac

Aliases

arxiv: 2605.28293 · arxiv_version: 2605.28293v1 · doi: 10.48550/arxiv.2605.28293 · pith_short_12: UQBBR3MVAF5G · pith_short_16: UQBBR3MVAF5G7MDW · pith_short_8: UQBBR3MV

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/UQBBR3MVAF5G7MDW3IRXYOWWN7 \
  | 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: a40218ed95017a6fb076da237c3ad66fefa9d6448efb7cce631dfd11dda018ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92c8e14c67c11c9a3f858f810f1c06fe6d844d10f1831ab3c661c414df261c88",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-27T10:43:37Z",
    "title_canon_sha256": "52f222827534008a5bdaeb95a89d9dee61e9453a1b50d9cd6e0504ce506cd50d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.28293",
    "kind": "arxiv",
    "version": 1
  }
}