Pith Number

pith:XIC2K7VT

pith:2013:XIC2K7VT6ZQOOK2TACYNDV67HO

not attested not anchored not stored refs pending

Simultaneous variable selection and estimation in semiparametric modeling of longitudinal/clustered data

Li Wang, Qiongxia Song, Shujie Ma

arxiv:1302.0151 v1 · 2013-02-01 · 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{XIC2K7VT6ZQOOK2TACYNDV67HO}

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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	2026-05-18T03:34:47.220241Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba05a57eb3f660e72b5300b0d1d7df3b9dfe38b9ac48ab3594c0c9a71cbb19b0

Aliases

arxiv: 1302.0151 · arxiv_version: 1302.0151v1 · doi: 10.48550/arxiv.1302.0151 · pith_short_12: XIC2K7VT6ZQO · pith_short_16: XIC2K7VT6ZQOOK2T · pith_short_8: XIC2K7VT

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/XIC2K7VT6ZQOOK2TACYNDV67HO \
  | 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: ba05a57eb3f660e72b5300b0d1d7df3b9dfe38b9ac48ab3594c0c9a71cbb19b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2449bb6c9cc54fb57a8da442f256a9bce205c26cc87bf4c7d6e443e7c36cb26c",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2013-02-01T11:42:16Z",
    "title_canon_sha256": "dea9f079255dffd084db73ba5d5fbaef86c0d1cf39d6a9dc43e5a651f8c96d26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.0151",
    "kind": "arxiv",
    "version": 1
  }
}