Pith Number

pith:ULDMHZU7

pith:2026:ULDMHZU7U5T4UTSER3XROQL55A

not attested not anchored not stored refs pending

Reasoning or Fluency? Dissecting Probabilistic Confidence in Best-of-N Selection

Hojin Kim, Jaehyung Kim

arxiv:2601.13735 v2 · 2026-01-20 · cs.AI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ULDMHZU7U5T4UTSER3XROQL55A}

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	2026-06-04T01:08:40.172499Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2c6c3e69fa767ca4e448eef17417de8127305c1000497785aa7f66142cd7479

Aliases

arxiv: 2601.13735 · arxiv_version: 2601.13735v2 · doi: 10.48550/arxiv.2601.13735 · pith_short_12: ULDMHZU7U5T4 · pith_short_16: ULDMHZU7U5T4UTSE · pith_short_8: ULDMHZU7

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/ULDMHZU7U5T4UTSER3XROQL55A \
  | 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: a2c6c3e69fa767ca4e448eef17417de8127305c1000497785aa7f66142cd7479

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5773d29aa6acfae29cf5ca25d7676f4868581b65f5435efb4caeb26fd7e0a5c1",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-01-20T08:46:33Z",
    "title_canon_sha256": "7b39d097ef05948346c6dce12c042c530edb75e14177342b13f318d935cb1649"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.13735",
    "kind": "arxiv",
    "version": 2
  }
}