Pith Number

pith:HLZPUQIU

pith:2013:HLZPUQIUKXYI3WCZU3D2EYKWVC

not attested not anchored not stored refs pending

Bayesian Reconstruction of Two-Sex Populations by Age: Estimating Sex Ratios at Birth and Sex Ratios of Mortality

Adrian E. Raftery, Mark C. Wheldon, Patrick Gerland, Samuel J. Clark

arxiv:1312.4594 v2 · 2013-12-17 · 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{HLZPUQIUKXYI3WCZU3D2EYKWVC}

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	2026-05-18T01:25:55.901500Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3af2fa411455f08dd859a6c7a26156a8b0ae4ec4010bfd11e27df84bd18130eb

Aliases

arxiv: 1312.4594 · arxiv_version: 1312.4594v2 · doi: 10.48550/arxiv.1312.4594 · pith_short_12: HLZPUQIUKXYI · pith_short_16: HLZPUQIUKXYI3WCZ · pith_short_8: HLZPUQIU

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/HLZPUQIUKXYI3WCZU3D2EYKWVC \
  | 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: 3af2fa411455f08dd859a6c7a26156a8b0ae4ec4010bfd11e27df84bd18130eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d6937ef9f8d339c0ae95b221956376586e2f8f2106044528422b15b8ee621e5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2013-12-17T00:02:15Z",
    "title_canon_sha256": "1810f32a1279e9deebf8c2f90122b931b389995af867a5a5ac464998319cd2fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.4594",
    "kind": "arxiv",
    "version": 2
  }
}