Pith Number

pith:J27RQLBO

pith:2012:J27RQLBOPBQCZUSZ2F6QSHNLNF

not attested not anchored not stored refs pending

A Selective Review of Group Selection in High-Dimensional Models

Jian Huang, Patrick Breheny, Shuangge Ma

arxiv:1204.6491 v2 · 2012-04-29 · math.ST · stat.ME · 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{J27RQLBOPBQCZUSZ2F6QSHNLNF}

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	2026-05-18T03:37:19.012968Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ebf182c2e78602cd259d17d091dab697230d029744bd93401c31a75145e35bc

Aliases

arxiv: 1204.6491 · arxiv_version: 1204.6491v2 · doi: 10.48550/arxiv.1204.6491 · pith_short_12: J27RQLBOPBQC · pith_short_16: J27RQLBOPBQCZUSZ · pith_short_8: J27RQLBO

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/J27RQLBOPBQCZUSZ2F6QSHNLNF \
  | 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: 4ebf182c2e78602cd259d17d091dab697230d029744bd93401c31a75145e35bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "101992f6253ebc3a79ac896da982f3da1c9109345ad4a89f976a6f739e3850ab",
    "cross_cats_sorted": [
      "stat.ME",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2012-04-29T16:15:48Z",
    "title_canon_sha256": "1f27264ca5001ca7c45b5fbd89031293ad0907f9ccd62c6669a0a2e43c9b3bb1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.6491",
    "kind": "arxiv",
    "version": 2
  }
}