Pith Number

pith:UQC26ONB

pith:2014:UQC26ONB2WMEJYDEDCYECO4KAB

not attested not anchored not stored refs pending

A Semidefinite Programming Based Search Strategy for Feature Selection with Mutual Information Measure

Beat Pfister, Sarah Hoffmann, Tofigh Naghibi

arxiv:1409.7384 v2 · 2014-09-25 · 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{UQC26ONB2WMEJYDEDCYECO4KAB}

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	2026-05-18T02:37:51.425108Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a405af39a1d59844e06418b0413b8a006a27140dc38b38ba3e204d123359e2c2

Aliases

arxiv: 1409.7384 · arxiv_version: 1409.7384v2 · doi: 10.48550/arxiv.1409.7384 · pith_short_12: UQC26ONB2WME · pith_short_16: UQC26ONB2WMEJYDE · pith_short_8: UQC26ONB

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/UQC26ONB2WMEJYDEDCYECO4KAB \
  | 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: a405af39a1d59844e06418b0413b8a006a27140dc38b38ba3e204d123359e2c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2c2d631048198122f068ca4db8d8bd30daa872a685f699e2eef8d8219f54a6e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2014-09-25T11:57:48Z",
    "title_canon_sha256": "31d960cf3f37e45340cd6b2d9d5d02ec739e73f01bec260669fc9ced96d3738f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.7384",
    "kind": "arxiv",
    "version": 2
  }
}