Pith Number

pith:MHCGHQCY

pith:2021:MHCGHQCYXKEAFCQD3BR5KDWVS5

not attested not anchored not stored refs pending

QAFactEval: Improved QA-Based Factual Consistency Evaluation for Summarization

Alexander R. Fabbri, Caiming Xiong, Chien-Sheng Wu, Wenhao Liu

arxiv:2112.08542 v2 · 2021-12-16 · 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{MHCGHQCYXKEAFCQD3BR5KDWVS5}

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

6 papers in Pith

LLM-as-a-Verifier: A General-Purpose Verification Framework

MedGuards: Multi-Agent System for Reliable Medical Error Detection and Correction

Detect, Remask, Repair: Diffusion Editing for Faithful Summarization of Evolving Contexts

Cross Paraphrastic Invariance Learning for Hallucination Detection

MedGuards: Multi-Agent System for Reliable Medical Error Detection and Correction

Receipt and verification

First computed	2026-07-05T04:18:50.062805Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

61c463c058ba88028a03d863d50ed5974df0e11bc7db4e6c3d0309b9e1e94c4b

Aliases

arxiv: 2112.08542 · arxiv_version: 2112.08542v2 · doi: 10.48550/arxiv.2112.08542 · pith_short_12: MHCGHQCYXKEA · pith_short_16: MHCGHQCYXKEAFCQD · pith_short_8: MHCGHQCY

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/MHCGHQCYXKEAFCQD3BR5KDWVS5 \
  | 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: 61c463c058ba88028a03d863d50ed5974df0e11bc7db4e6c3d0309b9e1e94c4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b51d641f7d184aabdc72ca309b2742a61662897ac587251ca841fbcaa31d289",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-12-16T00:38:35Z",
    "title_canon_sha256": "47f4a7c3329035696177eb8bed020ba19daed76afd38a6d5fdccd0d0d8f0e97a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.08542",
    "kind": "arxiv",
    "version": 2
  }
}