Pith Number

pith:X2ICAZ3N

pith:2026:X2ICAZ3NMGW5BUHCYHKPFODSRA

not attested not anchored not stored refs pending

Evaluating LLMs When They Do Not Know the Answer: Statistical Evaluation of Mathematical Reasoning via Comparative Signals

Can Jin, Linjun Zhang, Ruijia Wu, Yang Zhou, Zhixian Zhang, Zihan Dong

arxiv:2602.03061 v2 · 2026-02-03 · cs.LG · cs.AI · math.ST · stat.ME · stat.ML · stat.TH

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X2ICAZ3NMGW5BUHCYHKPFODSRA}

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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

3 papers in Pith

Low Rank for Rank: Uncertainty-Aware Task-Specific LLM Ranking under Sparse Pairwise Comparisons

Reinforcement Learning from Human Feedback: A Statistical Perspective

LLM Evaluation as Tensor Completion: Low Rank Structure and Semiparametric Efficiency

Receipt and verification

First computed	2026-07-21T01:21:42.827160Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be9020676d61add0d0e2c1d4f2b872882bb27660b9e8e805948f138eab6a5cb2

Aliases

arxiv: 2602.03061 · arxiv_version: 2602.03061v2 · doi: 10.48550/arxiv.2602.03061 · pith_short_12: X2ICAZ3NMGW5 · pith_short_16: X2ICAZ3NMGW5BUHC · pith_short_8: X2ICAZ3N

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/X2ICAZ3NMGW5BUHCYHKPFODSRA \
  | 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: be9020676d61add0d0e2c1d4f2b872882bb27660b9e8e805948f138eab6a5cb2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83c532e906bb05d113776586f393d0e105071ef4b17c3a77483c94b1223a2ba4",
    "cross_cats_sorted": [
      "cs.AI",
      "math.ST",
      "stat.ME",
      "stat.ML",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-02-03T03:40:01Z",
    "title_canon_sha256": "aa640b3a4ebe50756c5935442b6cd6b1743d5e8f701d807bd538d7d1c96aaf47"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.03061",
    "kind": "arxiv",
    "version": 2
  }
}