Pith Number

pith:QXQNIYWH

pith:2019:QXQNIYWHOFH44ZRSOLCZ2OKMZA

not attested not anchored not stored refs pending

Estimating maternal mortality using data from national civil registration vital statistics systems: A Bayesian hierarchical bivariate random walk model to estimate sensitivity and specificity of reporting

Alison Gemmill, Ann-Beth Moller, Doris Chou, Emily Peterson, Lale Say, Leontine Alkema

arxiv:1909.08578 v1 · 2019-09-18 · 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{QXQNIYWHOFH44ZRSOLCZ2OKMZA}

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	2026-07-05T00:05:32.046251Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85e0d462c7714fce663272c59d394cc80c4d4031ac0de985f0370852f20e77d9

Aliases

arxiv: 1909.08578 · arxiv_version: 1909.08578v1 · doi: 10.48550/arxiv.1909.08578 · pith_short_12: QXQNIYWHOFH4 · pith_short_16: QXQNIYWHOFH44ZRS · pith_short_8: QXQNIYWH

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/QXQNIYWHOFH44ZRSOLCZ2OKMZA \
  | 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: 85e0d462c7714fce663272c59d394cc80c4d4031ac0de985f0370852f20e77d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c69e1751ff94157c94cc78ba3b6311a82317973ff9da476298c5f9949d67831",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2019-09-18T17:07:19Z",
    "title_canon_sha256": "c5ebf1e147dc7bfff7860c4c3cd8fa18abd1fea03a2421917f451b7b924b4670"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.08578",
    "kind": "arxiv",
    "version": 1
  }
}