Pith Number

pith:5JQ2O2NX

pith:2022:5JQ2O2NXB3GRXKIAGTYC7YK6RK

not attested not anchored not stored refs pending

Matching Tweets With Applicable Fact-Checks Across Languages

Ashkan Kazemi, Rada Mihalcea, Scott A. Hale, Ver\'onica P\'erez-Rosas, Zehua Li

arxiv:2202.07094 v2 · 2022-02-14 · 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{5JQ2O2NXB3GRXKIAGTYC7YK6RK}

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	2026-07-05T04:30:55.164959Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea61a769b70ecd1ba90034f02fe15e8a8a706845977bd0a01516bd7173c83772

Aliases

arxiv: 2202.07094 · arxiv_version: 2202.07094v2 · doi: 10.48550/arxiv.2202.07094 · pith_short_12: 5JQ2O2NXB3GR · pith_short_16: 5JQ2O2NXB3GRXKIA · pith_short_8: 5JQ2O2NX

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/5JQ2O2NXB3GRXKIAGTYC7YK6RK \
  | 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: ea61a769b70ecd1ba90034f02fe15e8a8a706845977bd0a01516bd7173c83772

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0566c3f685e875e304c8457213a43d47924fa792ad006942b9729bff30f7840",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2022-02-14T23:33:02Z",
    "title_canon_sha256": "8358b6f86617e8b0b0ab44fa64a0cb7dfdbb934a278a06129121b89ca29f74e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.07094",
    "kind": "arxiv",
    "version": 2
  }
}