Pith Number

pith:627HEJFG

pith:2020:627HEJFGJLYPS7OFTCZRQQGSMU

not attested not anchored not stored refs pending

WNTRAC: AI Assisted Tracking of Non-pharmaceutical Interventions Implemented Worldwide for COVID-19

Aisha Walcott-Bryant, Ananya Poddar, Anshul Agrawal, Bharath Dandala, Charles Wachira, Ching-Huei Tsou, Clifton Kipchirchir, Daniel Shats, Divya Pathak, Diwakar Mahajan, Fiona Matu, Fred Otieno, Michal Rosen-Zvi, Oliver Bent, Oren Kagan, Osebe Mogaka Samuel, Osnat Bar-Shira, Parthasarathy Suryanarayanan, Piyush Madan, Pooja Guhan, Sekou Remy, Sharon Okwako, Shilpa Mahatma, Timothy Nyota, Vesna Resende Barros, William Ogallo

arxiv:2009.07057 v4 · 2020-09-02 · cs.CY · cs.CL · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{627HEJFGJLYPS7OFTCZRQQGSMU}

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	2026-07-05T02:52:13.878482Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f6be7224a64af0f97dc598b31840d26502050174666e76b76c106dcf9952dcdc

Aliases

arxiv: 2009.07057 · arxiv_version: 2009.07057v4 · doi: 10.48550/arxiv.2009.07057 · pith_short_12: 627HEJFGJLYP · pith_short_16: 627HEJFGJLYPS7OF · pith_short_8: 627HEJFG

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/627HEJFGJLYPS7OFTCZRQQGSMU \
  | 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: f6be7224a64af0f97dc598b31840d26502050174666e76b76c106dcf9952dcdc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4debf25fdabfa00ca72c063ebff5e8bc134b439a864ccb5ccde90f43a88e2624",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2020-09-02T18:06:20Z",
    "title_canon_sha256": "7e2c3d746dbe5254f797565e8e6eab08f5bc1a2463e79c695f5b7e6a88d7c706"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.07057",
    "kind": "arxiv",
    "version": 4
  }
}