Pith Number

pith:JOJNLU4A

pith:2017:JOJNLU4AWJYXYLD5N2UDXPZR67

not attested not anchored not stored refs pending

Pruning variable selection ensembles

Chunxia Zhang, Mu Zhu, Yilei Wu

arxiv:1704.08265 v1 · 2017-04-26 · stat.ML · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JOJNLU4AWJYXYLD5N2UDXPZR67}

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	2026-05-18T00:45:29.785129Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b92d5d380b2717c2c7d6ea83bbf31f7da24ce0f002ef44326a91d2d4e2d477e

Aliases

arxiv: 1704.08265 · arxiv_version: 1704.08265v1 · doi: 10.48550/arxiv.1704.08265 · pith_short_12: JOJNLU4AWJYX · pith_short_16: JOJNLU4AWJYXYLD5 · pith_short_8: JOJNLU4A

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/JOJNLU4AWJYXYLD5N2UDXPZR67 \
  | 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: 4b92d5d380b2717c2c7d6ea83bbf31f7da24ce0f002ef44326a91d2d4e2d477e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29985a18a4e125d130b1f6919203f2a3ee075c92be3a26741a9f4daebff2f83a",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2017-04-26T18:01:10Z",
    "title_canon_sha256": "366b8713fabe0232769a231e38c17f690ff99173b771ccee1de6002f17bbe20c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.08265",
    "kind": "arxiv",
    "version": 1
  }
}