Pith Number

pith:3ND2R5QF

pith:2020:3ND2R5QFBVRZJSX3P7FS2MND4H

not attested not anchored not stored refs pending

CORD-19: The COVID-19 Open Research Dataset

Alex Wade, Boya Xie, Brandon Stilson, Chris Wilhelm, Daniel S. Weld, Darrin Eide, Devvret Rishi, Dewey Murdick, Doug Burdick, Douglas Raymond, Jerry Sheehan, Jiangjiang Yang, Kathryn Funk, Kuansan Wang, Kyle Lo, Lucy Lu Wang, Nancy Xin Ru Wang, Oren Etzioni, Paul Mooney, Rodney Kinney, Russell Reas, Sebastian Kohlmeier, William Merrill, Yannis Katsis, Yoganand Chandrasekhar, Yunyao Li, Zhihong Shen, Ziyang Liu

arxiv:2004.10706 v4 · 2020-04-22 · cs.DL · 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{3ND2R5QFBVRZJSX3P7FS2MND4H}

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

Lit2Vec: A Reproducible Workflow for Building a Legally Screened Chemistry Corpus from S2ORC for Downstream Retrieval and Text Mining

Receipt and verification

First computed	2026-07-05T01:17:48.473652Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db47a8f6050d6394cafb7fcb2d31a3e1d44b60065d28c6843e72dde0501c666e

Aliases

arxiv: 2004.10706 · arxiv_version: 2004.10706v4 · doi: 10.48550/arxiv.2004.10706 · pith_short_12: 3ND2R5QFBVRZ · pith_short_16: 3ND2R5QFBVRZJSX3 · pith_short_8: 3ND2R5QF

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/3ND2R5QFBVRZJSX3P7FS2MND4H \
  | 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: db47a8f6050d6394cafb7fcb2d31a3e1d44b60065d28c6843e72dde0501c666e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b0ef2c0bbdbf65502a5d303efa428c58642b13294534af29ab25ec5f4a84f366",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2020-04-22T17:10:18Z",
    "title_canon_sha256": "a654231bbc9d290d0e9e5d9bbef5db633b818ae2d7c49133f8138f710e65c615"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.10706",
    "kind": "arxiv",
    "version": 4
  }
}