Pith Number

pith:UMLLQDJQ

pith:2025:UMLLQDJQY3V2WIGG4FXGRCTVXG

not attested not anchored not stored refs pending

RealFactBench: A Benchmark for Evaluating Large Language Models in Real-World Fact-Checking

Edith C.H. Ngai, Guoqing Wang, Jinfeng Xu, Jinze Li, Shuo Yang, Weiqiang Wang, Xinran Zheng, Yuqin Dai, Zhenzhe Ying

arxiv:2506.12538 v1 · 2025-06-14 · cs.CL · 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{UMLLQDJQY3V2WIGG4FXGRCTVXG}

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	2026-07-05T11:21:54.955758Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a316b80d30c6ebab20c6e16e688a75b9a0df797a9903eda4903ed877ccb3b5fb

Aliases

arxiv: 2506.12538 · arxiv_version: 2506.12538v1 · doi: 10.48550/arxiv.2506.12538 · pith_short_12: UMLLQDJQY3V2 · pith_short_16: UMLLQDJQY3V2WIGG · pith_short_8: UMLLQDJQ

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/UMLLQDJQY3V2WIGG4FXGRCTVXG \
  | 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: a316b80d30c6ebab20c6e16e688a75b9a0df797a9903eda4903ed877ccb3b5fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "705c9a3ef17d9a8651e1b4ae0a2e14f6dab227b3acf5487678e27d59749f35bc",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-06-14T15:27:44Z",
    "title_canon_sha256": "78b7693ff2df078f76a0bce50c8aaa94bab8e432890ac88963a2e71a1d9235a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.12538",
    "kind": "arxiv",
    "version": 1
  }
}