Pith Number

pith:JJDVB6AC

pith:2011:JJDVB6ACMMUG6AHBB2ION2VLE4

not attested not anchored not stored refs pending

The sparse Laplacian shrinkage estimator for high-dimensional regression

Cun-Hui Zhang, Hongzhe Li, Jian Huang, Shuangge Ma

arxiv:1112.3450 v1 · 2011-12-15 · 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{JJDVB6ACMMUG6AHBB2ION2VLE4}

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	2026-05-18T04:06:18.558653Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a4750f80263286f00e10e90e6eaab272a14c7482cafaba346643a9238e226e7

Aliases

arxiv: 1112.3450 · arxiv_version: 1112.3450v1 · doi: 10.48550/arxiv.1112.3450 · pith_short_12: JJDVB6ACMMUG · pith_short_16: JJDVB6ACMMUG6AHB · pith_short_8: JJDVB6AC

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/JJDVB6ACMMUG6AHBB2ION2VLE4 \
  | 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: 4a4750f80263286f00e10e90e6eaab272a14c7482cafaba346643a9238e226e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1866bdc077b3b20849454f63465e23726022966c62f01a510813f01f6776da90",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2011-12-15T08:48:02Z",
    "title_canon_sha256": "af58c7d93753b2942202b6352838a22612a9051301f42682cc3cbfdba076ae3a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.3450",
    "kind": "arxiv",
    "version": 1
  }
}