Pith Number

pith:65RFUOF4

pith:2018:65RFUOF46PGMHTEWQ6S5RCLYX4

not attested not anchored not stored refs pending

High Dimensional Classification through $\ell_0$-Penalized Empirical Risk Minimization

Le-Yu Chen, Sokbae Lee

arxiv:1811.09540 v1 · 2018-11-23 · stat.ME · econ.EM · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{65RFUOF46PGMHTEWQ6S5RCLYX4}

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	2026-05-18T00:00:03.121673Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7625a38bcf3ccc3cc9687a5d88978bf37b828042ba704f6bf0eb9a891109e39

Aliases

arxiv: 1811.09540 · arxiv_version: 1811.09540v1 · doi: 10.48550/arxiv.1811.09540 · pith_short_12: 65RFUOF46PGM · pith_short_16: 65RFUOF46PGMHTEW · pith_short_8: 65RFUOF4

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/65RFUOF46PGMHTEWQ6S5RCLYX4 \
  | 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: f7625a38bcf3ccc3cc9687a5d88978bf37b828042ba704f6bf0eb9a891109e39

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0719780c5f170f8bd35e147b27526e50bbc34230a706acf4a7075cdd4891584",
    "cross_cats_sorted": [
      "econ.EM",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2018-11-23T16:26:27Z",
    "title_canon_sha256": "aee6e5867820fa7c832577cee2ddcc4bca3802ac2c5df138fb96bc687bba6598"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.09540",
    "kind": "arxiv",
    "version": 1
  }
}