Pith Number

pith:7ZB3IZKN

pith:2012:7ZB3IZKN4K3T2BAUJZDKPN2PUX

not attested not anchored not stored refs pending

Factor models and variable selection in high-dimensional regression analysis

Alois Kneip, Pascal Sarda

arxiv:1202.5151 v1 · 2012-02-23 · 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{7ZB3IZKN4K3T2BAUJZDKPN2PUX}

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	2026-05-18T04:01:38.840858Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe43b4654de2b73d04144e46a7b74fa5c69816ee69344b51e5878a46264b0ec3

Aliases

arxiv: 1202.5151 · arxiv_version: 1202.5151v1 · doi: 10.48550/arxiv.1202.5151 · pith_short_12: 7ZB3IZKN4K3T · pith_short_16: 7ZB3IZKN4K3T2BAU · pith_short_8: 7ZB3IZKN

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/7ZB3IZKN4K3T2BAUJZDKPN2PUX \
  | 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: fe43b4654de2b73d04144e46a7b74fa5c69816ee69344b51e5878a46264b0ec3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "579ae616d4246efc31522bfe2a3bb557a51695791fd9b2b1cd406d39122d99f7",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2012-02-23T11:05:55Z",
    "title_canon_sha256": "d84b416255a4827744bf54544095056be38839ce0e87534b2d617ab777be826d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.5151",
    "kind": "arxiv",
    "version": 1
  }
}