Pith Number

pith:HLMWWSUV

pith:2026:HLMWWSUVFKVRYTBC3AUNU4W3HS

not attested not anchored not stored refs pending

CRPO: Character-centric Group Relative Policy Optimization for Role-aware Reasoning in Role-playing Agents

Benyou Wang, Kehai Chen, Liang Yue, Min Zhang, Yihong Tang

arxiv:2605.25511 v1 · 2026-05-25 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HLMWWSUVFKVRYTBC3AUNU4W3HS}

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	2026-05-26T02:04:40.217195Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ad96b4a952aab1c4c22d828da72db3c90dbb9a541be885f8b02219d240fff4c

Aliases

arxiv: 2605.25511 · arxiv_version: 2605.25511v1 · doi: 10.48550/arxiv.2605.25511 · pith_short_12: HLMWWSUVFKVR · pith_short_16: HLMWWSUVFKVRYTBC · pith_short_8: HLMWWSUV

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/HLMWWSUVFKVRYTBC3AUNU4W3HS \
  | 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: 3ad96b4a952aab1c4c22d828da72db3c90dbb9a541be885f8b02219d240fff4c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0c90fbe97ac1abe83c2f4b2fb4db97256e9c09f754e46150368d48a92fc55c3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-05-25T07:15:38Z",
    "title_canon_sha256": "5987de6c94874e9012523988b38cadb30c3999c9cf5faa96ee7f19095396781e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.25511",
    "kind": "arxiv",
    "version": 1
  }
}