Pith Number

pith:JFKHF4YB

pith:2021:JFKHF4YBVVSAUEU6WUAITAQJKK

not attested not anchored not stored refs pending

Hallucinated but Factual! Inspecting the Factuality of Hallucinations in Abstractive Summarization

Jackie Chi Kit Cheung, Meng Cao, Yue Dong

arxiv:2109.09784 v2 · 2021-08-30 · 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{JFKHF4YBVVSAUEU6WUAITAQJKK}

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 Tree-of-Thoughts Inspired Hybrid Approach for Legal Case Judgement Summarization using LLMs

Receipt and verification

First computed	2026-07-05T03:38:08.278247Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

495472f301ad640a129eb5008982095288e8d362ade3afa5e715aedaf6d1b7de

Aliases

arxiv: 2109.09784 · arxiv_version: 2109.09784v2 · doi: 10.48550/arxiv.2109.09784 · pith_short_12: JFKHF4YBVVSA · pith_short_16: JFKHF4YBVVSAUEU6 · pith_short_8: JFKHF4YB

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/JFKHF4YBVVSAUEU6WUAITAQJKK \
  | 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: 495472f301ad640a129eb5008982095288e8d362ade3afa5e715aedaf6d1b7de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a91ad46aabbc6d7f1a9ecb80aa9c22eec4acf39c3f0ddb9d4be0790bf08a34fd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-08-30T15:40:52Z",
    "title_canon_sha256": "4c1a91b6bce181e2f837f464b1b898a53db886d52e44f70a378d1cb84afea42d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.09784",
    "kind": "arxiv",
    "version": 2
  }
}