Pith Number

pith:ZYL2MQ34

pith:2026:ZYL2MQ34FJF4PDV5I2F5DP3DI7

not attested not anchored not stored refs pending

ARBOR: Online Process Rewards via a Reusable Rubric Buffer for Search Agents

Chengfu Huo, Liang Ding, Longxiang Zhang, Shaoxiong Zhan, Shu-Tao Xia, Tao Dai, Wen Huang, Xin Shan, Xintong Wang, Zheng Liu, Zhiang Xu

arxiv:2606.03239 v1 · 2026-06-02 · 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{ZYL2MQ34FJF4PDV5I2F5DP3DI7}

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	2026-06-03T01:05:35.859905Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce17a6437c2a4bc78ebd468bd1bf6347f921231d507229e4e0ede542c69d6c1f

Aliases

arxiv: 2606.03239 · arxiv_version: 2606.03239v1 · doi: 10.48550/arxiv.2606.03239 · pith_short_12: ZYL2MQ34FJF4 · pith_short_16: ZYL2MQ34FJF4PDV5 · pith_short_8: ZYL2MQ34

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/ZYL2MQ34FJF4PDV5I2F5DP3DI7 \
  | 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: ce17a6437c2a4bc78ebd468bd1bf6347f921231d507229e4e0ede542c69d6c1f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "417109bfdc2b2ad2240274ee2a3d892d6303d9c727848744fbb0b3f81fb73e50",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-06-02T06:58:54Z",
    "title_canon_sha256": "caf2102f3b6053142719ff907f2117dfbe97c0517020fa6c9884423bb96eb346"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.03239",
    "kind": "arxiv",
    "version": 1
  }
}