Pith Number

pith:VUXXW7KQ

pith:2024:VUXXW7KQWINJENFQIBBUECRNUH

not attested not anchored not stored refs pending

Cost-Effective Hallucination Detection for LLMs

Bryan Wang, Gianluca Detommaso, Giovanni Zappella, Jinmiao Fu, Shaoyuan Xu, Simon Valentin

arxiv:2407.21424 v2 · 2024-07-31 · cs.CL · cs.AI · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VUXXW7KQWINJENFQIBBUECRNUH}

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

1 paper in Pith

A Single Direction of Truth: An Observer Model's Linear Residual Probe Exposes and Steers Contextual Hallucinations

Receipt and verification

First computed	2026-07-05T08:53:54.602861Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad2f7b7d50b21a9234b04043420a2da1fe6cf7a8b7a61a6bccb2d6a0cc8f8552

Aliases

arxiv: 2407.21424 · arxiv_version: 2407.21424v2 · doi: 10.48550/arxiv.2407.21424 · pith_short_12: VUXXW7KQWINJ · pith_short_16: VUXXW7KQWINJENFQ · pith_short_8: VUXXW7KQ

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/VUXXW7KQWINJENFQIBBUECRNUH \
  | 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: ad2f7b7d50b21a9234b04043420a2da1fe6cf7a8b7a61a6bccb2d6a0cc8f8552

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7cc6fa61a2eb345cead658b98a3a5b3fa3cc0a89c304595d499a2508d2466a86",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2024-07-31T08:19:06Z",
    "title_canon_sha256": "41884ccdb4701c1745de549fe975328b30f40225c698413b8a8e6e336d4e2152"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2407.21424",
    "kind": "arxiv",
    "version": 2
  }
}