Pith Number

pith:ZZILLWDP

pith:2011:ZZILLWDP7UNTK24FK27HX3S3HV

not attested not anchored not stored refs pending

Bias-corrected GEE estimation and smooth-threshold GEE variable selection for single-index models with clustered data

Heng Lian, Peng Lai, Qihua Wang

arxiv:1108.1260 v1 · 2011-08-05 · 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{ZZILLWDP7UNTK24FK27HX3S3HV}

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	2026-05-18T04:16:11.325270Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce50b5d86ffd1b356b8556be7bee5b3d4882011b8b66a85c0e00188904ad0140

Aliases

arxiv: 1108.1260 · arxiv_version: 1108.1260v1 · doi: 10.48550/arxiv.1108.1260 · pith_short_12: ZZILLWDP7UNT · pith_short_16: ZZILLWDP7UNTK24F · pith_short_8: ZZILLWDP

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/ZZILLWDP7UNTK24FK27HX3S3HV \
  | 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: ce50b5d86ffd1b356b8556be7bee5b3d4882011b8b66a85c0e00188904ad0140

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3acaa2518207245f32c5739397e549455d104283853549f23c595814e0c21ae4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2011-08-05T06:12:10Z",
    "title_canon_sha256": "c66d93c8b5d8ddaa5433fe0a11b44364278498f86336a8bc059b07457b4bde12"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.1260",
    "kind": "arxiv",
    "version": 1
  }
}