Pith Number

pith:IU7PNOU4

pith:2020:IU7PNOU4377ZIX3H76XJJXTHSA

not attested not anchored not stored refs pending

A County-level Dataset for Informing the United States' Response to COVID-19

Aniruddha Tamhane, Anna Zapaishchykova, Benjamin D. Killeen, Jie Ying Wu, Jinchi Wei, Kinjal Shah, Mareike Thies, Mathias Unberath, Philipp Nikutta, Shreya Chakraborty, Tiger Gao

arxiv:2004.00756 v2 · 2020-04-01 · cs.CY · cs.DB · physics.soc-ph · q-bio.PE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IU7PNOU4377ZIX3H76XJJXTHSA}

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	2026-07-05T01:34:33.645715Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

453ef6ba9cdfff945f67ffae94de67900e8b93567a46c041451bc9883f40fe80

Aliases

arxiv: 2004.00756 · arxiv_version: 2004.00756v2 · doi: 10.48550/arxiv.2004.00756 · pith_short_12: IU7PNOU4377Z · pith_short_16: IU7PNOU4377ZIX3H · pith_short_8: IU7PNOU4

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/IU7PNOU4377ZIX3H76XJJXTHSA \
  | 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: 453ef6ba9cdfff945f67ffae94de67900e8b93567a46c041451bc9883f40fe80

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a706a10b1752a57c75c0bf206d6f6d2f010e939455a23ab2523a7b8ca4445cae",
    "cross_cats_sorted": [
      "cs.DB",
      "physics.soc-ph",
      "q-bio.PE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2020-04-01T05:07:27Z",
    "title_canon_sha256": "dd90c2a4da85d18f67f3a9ffc146eb46fb84b3fafd285554b852bbbfa774241a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.00756",
    "kind": "arxiv",
    "version": 2
  }
}