Pith Number

pith:PFAEAC5F

pith:2018:PFAEAC5FR357CARKKCHYEFLUQQ

not attested not anchored not stored refs pending

Model-Free Conditional Feature Screening with Exposure Variables

Jingyuan Liu, Liping Zhu, Yeqing Zhou, Zhihui Hao

arxiv:1804.03637 v1 · 2018-04-10 · stat.ME

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PFAEAC5FR357CARKKCHYEFLUQQ}

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	2026-05-18T00:18:47.405027Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7940400ba58efbf1022a508f821574841d8ba29f6a967f94447faaabc4de0c44

Aliases

arxiv: 1804.03637 · arxiv_version: 1804.03637v1 · doi: 10.48550/arxiv.1804.03637 · pith_short_12: PFAEAC5FR357 · pith_short_16: PFAEAC5FR357CARK · pith_short_8: PFAEAC5F

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/PFAEAC5FR357CARKKCHYEFLUQQ \
  | 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: 7940400ba58efbf1022a508f821574841d8ba29f6a967f94447faaabc4de0c44

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36809d333fddcff7ce0d6773a986dc8b3c7cccff253b1a98ec177a4488c520a7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2018-04-10T17:30:32Z",
    "title_canon_sha256": "6168f653a7509e62e93e2083b731522c5dc162be05480efed29f728114edf30e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.03637",
    "kind": "arxiv",
    "version": 1
  }
}