Pith Number

pith:X3JQR5EA

pith:2012:X3JQR5EAWMT435TKCHWZUU7N7W

not attested not anchored not stored refs pending

A general semiparametric Z-estimation approach for case-cohort studies

Bin Nan, Jon A. Wellner

arxiv:1204.2579 v1 · 2012-04-11 · math.ST · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X3JQR5EAWMT435TKCHWZUU7N7W}

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	2026-05-18T03:58:03.993083Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bed308f480b327cdf66a11ed9a53edfdbce39089a49c782959482a8371f6d205

Aliases

arxiv: 1204.2579 · arxiv_version: 1204.2579v1 · doi: 10.48550/arxiv.1204.2579 · pith_short_12: X3JQR5EAWMT4 · pith_short_16: X3JQR5EAWMT435TK · pith_short_8: X3JQR5EA

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/X3JQR5EAWMT435TKCHWZUU7N7W \
  | 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: bed308f480b327cdf66a11ed9a53edfdbce39089a49c782959482a8371f6d205

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4cf34f400b06495398e7779aa954ae86a04d24c2ceae734e4e43836c4cdce734",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2012-04-11T22:06:55Z",
    "title_canon_sha256": "4da01e002963ffc9ab9261f29e2c32cb66a0c09981d3ddbae86d889c9dd54a06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.2579",
    "kind": "arxiv",
    "version": 1
  }
}