pith. sign in
Pith Number

pith:LUOBQJLB

pith:2012:LUOBQJLBZVAPNDH2TTAPERXA6X
not attested not anchored not stored refs pending

Optimal feature selection for sparse linear discriminant analysis and its applications in gene expression data

Baiqi Miao, Cheng Wang, Longbing Cao

arxiv:1206.1660 v4 · 2012-06-08 · stat.ME · stat.AP

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{LUOBQJLBZVAPNDH2TTAPERXA6X}

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 2026-05-18T03:27:32.858438Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

5d1c182561cd40f68cfa9cc0f246e0f5c7024a5249af91ae1e3e22c8e069640e

Aliases

arxiv: 1206.1660 · arxiv_version: 1206.1660v4 · doi: 10.48550/arxiv.1206.1660 · pith_short_12: LUOBQJLBZVAP · pith_short_16: LUOBQJLBZVAPNDH2 · pith_short_8: LUOBQJLB
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/LUOBQJLBZVAPNDH2TTAPERXA6X \
  | 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: 5d1c182561cd40f68cfa9cc0f246e0f5c7024a5249af91ae1e3e22c8e069640e
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "234ddf55282b04455212a0ac55f8da37f3a1ca2c82f5da961f337ac8b097f150",
    "cross_cats_sorted": [
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2012-06-08T04:47:48Z",
    "title_canon_sha256": "333a9df0a365f88b44e94f0338ac0587cf6c99091cd7ef9567554b7a544b502b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.1660",
    "kind": "arxiv",
    "version": 4
  }
}