Pith Number

pith:2IZV4ZR5

pith:2017:2IZV4ZR5D2XCWNBXMK6RKKBUET

not attested not anchored not stored refs pending

Robust variable screening for regression using factor profiling

Stefan Van Aelst, Yixin Wang

arxiv:1711.09586 v2 · 2017-11-27 · 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{2IZV4ZR5D2XCWNBXMK6RKKBUET}

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	2026-05-18T00:00:43.642370Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2335e663d1eae2b343762bd15283424d06e6f4ac7c9f74997c3276b62df1317

Aliases

arxiv: 1711.09586 · arxiv_version: 1711.09586v2 · doi: 10.48550/arxiv.1711.09586 · pith_short_12: 2IZV4ZR5D2XC · pith_short_16: 2IZV4ZR5D2XCWNBX · pith_short_8: 2IZV4ZR5

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/2IZV4ZR5D2XCWNBXMK6RKKBUET \
  | 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: d2335e663d1eae2b343762bd15283424d06e6f4ac7c9f74997c3276b62df1317

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f124d2c0e5b4b9849a76db6b1ad2ee950ed0984b9184568ca839a86b5ab4608f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2017-11-27T08:58:01Z",
    "title_canon_sha256": "7493a5a2c14958900ff3f4d0e66e3116f96e7f20eff47f149e0ee7fbd0e335fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.09586",
    "kind": "arxiv",
    "version": 2
  }
}