Pith Number

pith:JDGUQPKY

pith:2019:JDGUQPKYU2XZBQNRS7P2YCVEDY

not attested not anchored not stored refs pending

Differential impact of acute fine particulate matter exposure on risk of stroke by stroke subtype, age, sex, and race: a case-crossover study

Brett M. Kissela, Charles J. Moomaw, Cole Brokamp, Daniel Woo, Dawn Kleindorfer, Felipe De Los Rios La Rosa, Heidi Sucharew, Jane C. Khoury, Jason Mackey, Kathleen Alwell, Matthew L. Flaherty, Mohammad Alfrad Nobel Bhuiyan, Monir Hossain, Opeolu Adeoye, Sharyl Martini, Simona Ferioli, Tracy E. Madsen

arxiv:1912.09504 v2 · 2019-12-19 · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JDGUQPKYU2XZBQNRS7P2YCVEDY}

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	2026-07-05T00:28:58.131619Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

48cd483d58a6af90c1b197dfac0aa41e01f508dc60b650c1f5770b1ff078d2d2

Aliases

arxiv: 1912.09504 · arxiv_version: 1912.09504v2 · doi: 10.48550/arxiv.1912.09504 · pith_short_12: JDGUQPKYU2XZ · pith_short_16: JDGUQPKYU2XZBQNR · pith_short_8: JDGUQPKY

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/JDGUQPKYU2XZBQNRS7P2YCVEDY \
  | 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: 48cd483d58a6af90c1b197dfac0aa41e01f508dc60b650c1f5770b1ff078d2d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "272c8eec6e4b034236858433211bdf0baf51a17a325d3646dbb232cfbafddbe0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2019-12-19T19:08:27Z",
    "title_canon_sha256": "e15b5a024c6c0ceacec2198e8a947db73b2ca3826de974283496ab5c2ec7140a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.09504",
    "kind": "arxiv",
    "version": 2
  }
}