Pith Number

pith:PSL7GR6S

pith:2025:PSL7GR6SNEDQC63T55NS6B5DKM

not attested not anchored not stored refs pending

Span-Level Hallucination Detection for LLM-Generated Answers

Mervet Abu-Elkheir, Passant Elchafei

arxiv:2504.18639 v1 · 2025-04-25 · 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{PSL7GR6SNEDQC63T55NS6B5DKM}

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 comprehensive taxonomy of hallucinations in Large Language Models

Receipt and verification

First computed	2026-07-05T10:54:18.246538Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c97f347d26907017b73ef5b2f07a3532777b56bd0b7a0dc3ab7e2b053306679

Aliases

arxiv: 2504.18639 · arxiv_version: 2504.18639v1 · doi: 10.48550/arxiv.2504.18639 · pith_short_12: PSL7GR6SNEDQ · pith_short_16: PSL7GR6SNEDQC63T · pith_short_8: PSL7GR6S

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/PSL7GR6SNEDQC63T55NS6B5DKM \
  | 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: 7c97f347d26907017b73ef5b2f07a3532777b56bd0b7a0dc3ab7e2b053306679

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "19f9fc6adb19332597f02e14dae114e0f074359c079f9b0ac9aec25159b53fe7",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-04-25T18:35:25Z",
    "title_canon_sha256": "45b91573c859152e14d2cc0ce5126dabeaefd0b34ec426ee516315b3323485a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.18639",
    "kind": "arxiv",
    "version": 1
  }
}