Pith Number

pith:CHRBFCXS

pith:2026:CHRBFCXSQGBMVLDICJP2OJ4EBZ

not attested not anchored not stored refs pending

RUBRIC-ARROW: Alternating Pointwise Rubric Reward Modeling for LLM Post-training in Non-verifiable Domains

Haoxiang Jiang, Haoyu Wang, Linjun Zhang, Ran Xu, Tianci Liu, Tony Yu, Wanying Wang, Zihan Dong

arxiv:2605.29156 v1 · 2026-05-27 · cs.LG · 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{CHRBFCXSQGBMVLDICJP2OJ4EBZ}

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	2026-05-29T01:05:21.517222Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11e2128af28182caac68125fa727840e5da594044b49060a682630fbb9268255

Aliases

arxiv: 2605.29156 · arxiv_version: 2605.29156v1 · doi: 10.48550/arxiv.2605.29156 · pith_short_12: CHRBFCXSQGBM · pith_short_16: CHRBFCXSQGBMVLDI · pith_short_8: CHRBFCXS

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/CHRBFCXSQGBMVLDICJP2OJ4EBZ \
  | 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: 11e2128af28182caac68125fa727840e5da594044b49060a682630fbb9268255

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb0e0982dc4eaff68b868e2f5e30a9a0e7fea31d42713b2a89d40400c162c7dd",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-27T22:46:25Z",
    "title_canon_sha256": "60498ccad7fe5e48f62ec65a4a53008a0552a152194ac01e90366e7504d8d337"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.29156",
    "kind": "arxiv",
    "version": 1
  }
}