Pith Number

pith:OP57ODVY

pith:2010:OP57ODVYJ7A3CRXQIS7PBODSMI

not attested not anchored not stored refs pending

Variance Estimation Using Refitted Cross-validation in Ultrahigh Dimensional Regression

Jianqing Fan, Ning Hao, Shaojun Guo

arxiv:1004.5178 v2 · 2010-04-29 · stat.ME · 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{OP57ODVYJ7A3CRXQIS7PBODSMI}

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.

Cited by

1 paper in Pith

Nonparametric f-Modeling for Empirical Bayes Inference with Unequal and Unknown Variances

Receipt and verification

First computed	2026-05-18T04:32:35.238023Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73fbf70eb84fc1b146f044bef0b8726225a56a853abf8c1ee3b37af39618099a

Aliases

arxiv: 1004.5178 · arxiv_version: 1004.5178v2 · doi: 10.48550/arxiv.1004.5178 · pith_short_12: OP57ODVYJ7A3 · pith_short_16: OP57ODVYJ7A3CRXQ · pith_short_8: OP57ODVY

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/OP57ODVYJ7A3CRXQIS7PBODSMI \
  | 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: 73fbf70eb84fc1b146f044bef0b8726225a56a853abf8c1ee3b37af39618099a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9bd09c70c1d3bb5fdcfa953c5f2ad558a05cb978a07d72a11f24b1d1ce16e9bc",
    "cross_cats_sorted": [
      "math.ST",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2010-04-29T03:43:50Z",
    "title_canon_sha256": "938743e83a5f947162cc3489cd80c98297fa87323b58c0d773b14cb056c109c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.5178",
    "kind": "arxiv",
    "version": 2
  }
}