Pith Number

pith:XTJ6JIVP

pith:2009:XTJ6JIVPFT45ZVHN4LCMUHZEYC

not attested not anchored not stored refs pending

Sure independence screening in generalized linear models with NP-dimensionality

Jianqing Fan, Rui Song

arxiv:0903.5255 v5 · 2009-03-30 · stat.ME · math.ST · stat.ML · 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{XTJ6JIVPFT45ZVHN4LCMUHZEYC}

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	2026-05-18T03:41:01.694222Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bcd3e4a2af2cf9dcd4ede2c4ca1f24c09940fd249e6f945ff6e12671e4979c4b

Aliases

arxiv: 0903.5255 · arxiv_version: 0903.5255v5 · doi: 10.48550/arxiv.0903.5255 · pith_short_12: XTJ6JIVPFT45 · pith_short_16: XTJ6JIVPFT45ZVHN · pith_short_8: XTJ6JIVP

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/XTJ6JIVPFT45ZVHN4LCMUHZEYC \
  | 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: bcd3e4a2af2cf9dcd4ede2c4ca1f24c09940fd249e6f945ff6e12671e4979c4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "674c793c7a43319aa98b4c64ca1f728a119fad4b4fb0b131c84bb6546b1f6c5e",
    "cross_cats_sorted": [
      "math.ST",
      "stat.ML",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2009-03-30T15:58:51Z",
    "title_canon_sha256": "f2fd22aefd8c09ef04c08eeb397f10646479d81bf9ce3db1e3691aca6a2a9bfe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.5255",
    "kind": "arxiv",
    "version": 5
  }
}