Pith Number

pith:VVHKDBXO

pith:2021:VVHKDBXOWUFCLTZFFZVWCPXTJG

not attested not anchored not stored refs pending

COVID-Fact: Fact Extraction and Verification of Real-World Claims on COVID-19 Pandemic

Arkadiy Saakyan, Smaranda Muresan, Tuhin Chakrabarty

arxiv:2106.03794 v1 · 2021-06-07 · 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{VVHKDBXOWUFCLTZFFZVWCPXTJG}

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

ClimateViz: A Benchmark for Statistical Reasoning and Fact Verification on Scientific Charts

Receipt and verification

First computed	2026-07-05T02:46:55.521954Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad4ea186eeb50a25cf252e6b613ef349b596e95fc0eb936cd63865493c2c991d

Aliases

arxiv: 2106.03794 · arxiv_version: 2106.03794v1 · doi: 10.48550/arxiv.2106.03794 · pith_short_12: VVHKDBXOWUFC · pith_short_16: VVHKDBXOWUFCLTZF · pith_short_8: VVHKDBXO

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/VVHKDBXOWUFCLTZFFZVWCPXTJG \
  | 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: ad4ea186eeb50a25cf252e6b613ef349b596e95fc0eb936cd63865493c2c991d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e18dfe6b62ec543e42444b741ff53fdb5cacf3322cd91a2b120236252bb9f46e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-06-07T16:59:46Z",
    "title_canon_sha256": "4c53be59af8bc014f171f6d08652a5ea97cd0f2356bb73a52503106c1d3017fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.03794",
    "kind": "arxiv",
    "version": 1
  }
}