Pith Number

pith:BF2I7WCS

pith:2014:BF2I7WCSCPSDEQSZI4BTK45S6X

not attested not anchored not stored refs pending

Feature selection for classification with class-separability strategy and data envelopment analysis

Anrong Yang, Chan Xiong, Chao Yang, Xingchi Zhou, Yishi Zhang, Zigang Zhang

arxiv:1405.1119 v2 · 2014-05-06 · cs.LG · cs.IT · math.IT · 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{BF2I7WCSCPSDEQSZI4BTK45S6X}

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	2026-05-18T02:28:11.921998Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

09748fd85213e432425947033573b2f5c785b08501c59fcb8f83f0d171216f15

Aliases

arxiv: 1405.1119 · arxiv_version: 1405.1119v2 · doi: 10.48550/arxiv.1405.1119 · pith_short_12: BF2I7WCSCPSD · pith_short_16: BF2I7WCSCPSDEQSZ · pith_short_8: BF2I7WCS

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/BF2I7WCSCPSDEQSZI4BTK45S6X \
  | 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: 09748fd85213e432425947033573b2f5c785b08501c59fcb8f83f0d171216f15

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "511f7fca7bc3753546a431d0995f7bbd80bf550a3a2c04e8b8f53a6a45888959",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2014-05-06T01:17:26Z",
    "title_canon_sha256": "7d87475f72ed52cc3fd441981f73beb1807fe956ac9fe981bd770e1bb5fd9b3d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.1119",
    "kind": "arxiv",
    "version": 2
  }
}