Pith Number

pith:CGWZ3LAX

pith:2025:CGWZ3LAXF7HEEVZTVUME2VJX5W

not attested not anchored not stored refs pending

SGPO: Self-Generated Preference Optimization based on Self-Improver

Daejin Jo, Hyeonji Lee, Seohwan Yun, Sungwoong Kim

arxiv:2507.20181 v1 · 2025-07-27 · cs.CL · 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{CGWZ3LAXF7HEEVZTVUME2VJX5W}

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.

Cited by

1 paper in Pith

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

Receipt and verification

First computed	2026-07-05T11:44:14.783092Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11ad9dac172fce425733ad184d5537ed888992d656831538d49cc92286ed4ef1

Aliases

arxiv: 2507.20181 · arxiv_version: 2507.20181v1 · doi: 10.48550/arxiv.2507.20181 · pith_short_12: CGWZ3LAXF7HE · pith_short_16: CGWZ3LAXF7HEEVZT · pith_short_8: CGWZ3LAX

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/CGWZ3LAXF7HEEVZTVUME2VJX5W \
  | 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: 11ad9dac172fce425733ad184d5537ed888992d656831538d49cc92286ed4ef1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa46464b21753ea94535f909c9c75cd8c545d09cf64031b7e53392385655dc74",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-07-27T08:55:40Z",
    "title_canon_sha256": "cc5edb0fb812fb525ddf612a7cf5ff65908fd7c725a8d8fb771a33764adfe385"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.20181",
    "kind": "arxiv",
    "version": 1
  }
}