Pith Number

pith:NDWUQGAF

pith:2025:NDWUQGAFHHJVTKEFKQZDO26X3J

not attested not anchored not stored refs pending

Reasoning about Uncertainty: Do Reasoning Models Know When They Don't Know?

Anirudha Majumdar, Christina Zhang, Justin Lidard, Ola Shorinwa, Tenny Yin, Zhiting Mei

arxiv:2506.18183 v3 · 2025-06-22 · cs.AI · 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{NDWUQGAFHHJVTKEFKQZDO26X3J}

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

8 papers in Pith

Operadic consistency: a label-free signal for compositional reasoning failures in LLMs

Scaling with Confidence: Calibrating Confidence of LLMs for Adaptive Test Time Scaling

When Calibration Rankings Reverse: Accuracy-Controlled Evaluation for Fair Comparison of LLMs

How do LLMs Compute Verbal Confidence

Position: The Hidden Costs and Measurement Gaps of Reinforcement Learning with Verifiable Rewards

Receipt and verification

First computed	2026-07-05T11:39:12.494946Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68ed48180539d359a8855432376bd7da6b1979332e3cf594feeee07493718a16

Aliases

arxiv: 2506.18183 · arxiv_version: 2506.18183v3 · doi: 10.48550/arxiv.2506.18183 · pith_short_12: NDWUQGAFHHJV · pith_short_16: NDWUQGAFHHJVTKEF · pith_short_8: NDWUQGAF

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/NDWUQGAFHHJVTKEFKQZDO26X3J \
  | 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: 68ed48180539d359a8855432376bd7da6b1979332e3cf594feeee07493718a16

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6140fd2a8039fcd79953955518bd89c68fc3b7afbd97735686a66b25a9c122a",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2025-06-22T21:46:42Z",
    "title_canon_sha256": "654bb680806b6427c4a57e8604b12a7bd280031c3a97565892d078276100b630"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.18183",
    "kind": "arxiv",
    "version": 3
  }
}