Pith Number

pith:RYOGDS2W

pith:2013:RYOGDS2WBB3XPVPUS5RRHUUPNB

not attested not anchored not stored refs pending

Nonparametric Independence Screening in Sparse Ultra-High Dimensional Varying Coefficient Models

Jianqing Fan, Wei Dai, Yunbei Ma

arxiv:1303.0458 v1 · 2013-03-03 · 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{RYOGDS2WBB3XPVPUS5RRHUUPNB}

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	2026-05-18T03:31:55.980113Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e1c61cb56087777d5f4976313d28f687f6a482d12004bfe340e05a4cc799056

Aliases

arxiv: 1303.0458 · arxiv_version: 1303.0458v1 · doi: 10.48550/arxiv.1303.0458 · pith_short_12: RYOGDS2WBB3X · pith_short_16: RYOGDS2WBB3XPVPU · pith_short_8: RYOGDS2W

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/RYOGDS2WBB3XPVPUS5RRHUUPNB \
  | 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: 8e1c61cb56087777d5f4976313d28f687f6a482d12004bfe340e05a4cc799056

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c43fda64b3b284526b10b5760fe67dc9d8a382fb23f41a5d4af6c271402c37f",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2013-03-03T05:15:16Z",
    "title_canon_sha256": "abe2c91edf437c627024e034db22adca3c5b8d5311a44e93d38c2dcd49c766dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.0458",
    "kind": "arxiv",
    "version": 1
  }
}