Pith Number

pith:FKWGND5K

pith:2026:FKWGND5KCH7RGXREQC7K7T7ZJD

not attested not anchored not stored refs pending

Harmony in Diversity: Multi-domain Contrastive Policy Optimization for Large Reasoning Models

Chaochao Lu, Chen Gong, Hao Fang, Runmin Cong, Wenshui Luo, Yiliu Sun, Zongji Yu

arxiv:2605.25443 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{FKWGND5KCH7RGXREQC7K7T7ZJD}

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	2026-05-26T02:04:35.595329Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2aac668faa11ff135e2480beafcff948eec58c832dcaa1044becdcd513d56690

Aliases

arxiv: 2605.25443 · arxiv_version: 2605.25443v1 · doi: 10.48550/arxiv.2605.25443 · pith_short_12: FKWGND5KCH7R · pith_short_16: FKWGND5KCH7RGXRE · pith_short_8: FKWGND5K

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/FKWGND5KCH7RGXREQC7K7T7ZJD \
  | 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: 2aac668faa11ff135e2480beafcff948eec58c832dcaa1044becdcd513d56690

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20501789dd30a5eb1103b0b944b2c8e1986b57a8c1e2fff1271712a6b7863c1b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-05-25T05:42:57Z",
    "title_canon_sha256": "d2203f1e07d1fabdf405df502e84a224f4af4070be5b00a3a41ddf3589555dcc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.25443",
    "kind": "arxiv",
    "version": 1
  }
}