Pith Number

pith:QFPUPBWZ

pith:2020:QFPUPBWZTNP5ZBQXVWKIIAYSDV

not attested not anchored not stored refs pending

Estimation of marriage incidence rates by combining two cross-sectional retrospective designs: Event history analysis of two dependent processes

Kari Auranen, Minna S\"a\"av\"al\"a, Olli Saarela, Sangita Kulathinal

arxiv:2009.01897 v1 · 2020-09-03 · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QFPUPBWZTNP5ZBQXVWKIIAYSDV}

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	2026-07-05T05:35:02.919898Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

815f4786d99b5fdc8617ad948403121d633a50700cb19c706dd386b088ec259c

Aliases

arxiv: 2009.01897 · arxiv_version: 2009.01897v1 · doi: 10.48550/arxiv.2009.01897 · pith_short_12: QFPUPBWZTNP5 · pith_short_16: QFPUPBWZTNP5ZBQX · pith_short_8: QFPUPBWZ

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/QFPUPBWZTNP5ZBQXVWKIIAYSDV \
  | 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: 815f4786d99b5fdc8617ad948403121d633a50700cb19c706dd386b088ec259c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65581b5122146102be49a2593da4d7cf7d2c3aa3d2cdd28c866c54571ac083db",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2020-09-03T19:31:44Z",
    "title_canon_sha256": "edb88d3f8a330bd6eee11b1c4e90fcfad7352bc040001b777972964e7339b0d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.01897",
    "kind": "arxiv",
    "version": 1
  }
}