Pith Number

pith:F5U4QZYL

pith:2026:F5U4QZYLBATHM5NWVQ3PRK7JIS

not attested not anchored not stored refs pending

Second Guess: Detecting Uncertainty Through Abstention and Answer Stability in Small Language Models

Ashwath Vaithinathan Aravindan, Mayank Kejriwal

arxiv:2605.25394 v1 · 2026-05-25 · 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{F5U4QZYLBATHM5NWVQ3PRK7JIS}

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	2026-05-26T02:04:32.511962Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f69c8670b08267675b6ac36f8abe9448b021829af40ff3d83cf661427345380

Aliases

arxiv: 2605.25394 · arxiv_version: 2605.25394v1 · doi: 10.48550/arxiv.2605.25394 · pith_short_12: F5U4QZYLBATH · pith_short_16: F5U4QZYLBATHM5NW · pith_short_8: F5U4QZYL

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/F5U4QZYLBATHM5NWVQ3PRK7JIS \
  | 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: 2f69c8670b08267675b6ac36f8abe9448b021829af40ff3d83cf661427345380

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "037af030c4d081668e9f36c45beae041d1cc1a12235cd8461184ceb46740187c",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-05-25T03:38:54Z",
    "title_canon_sha256": "462b5853500e8a84b8cad02b338cba17de923a60b1d0b614b471f249af9db162"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.25394",
    "kind": "arxiv",
    "version": 1
  }
}