Pith Number

pith:73FIPBYK

pith:2013:73FIPBYKEIOCMDQCIR225UGC53

not attested not anchored not stored refs pending

Performance analysis of unsupervised feature selection methods

A. Nisthana Parveen, E.N. Sathishkumar, H. Hannah Inbarani

arxiv:1306.1326 v1 · 2013-06-06 · 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{73FIPBYKEIOCMDQCIR225UGC53}

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	2026-05-18T03:21:34.603425Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

feca87870a221c260e024475aed0c2eee322a4241907e416c228776f679eb48a

Aliases

arxiv: 1306.1326 · arxiv_version: 1306.1326v1 · doi: 10.48550/arxiv.1306.1326 · pith_short_12: 73FIPBYKEIOC · pith_short_16: 73FIPBYKEIOCMDQC · pith_short_8: 73FIPBYK

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/73FIPBYKEIOCMDQCIR225UGC53 \
  | 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: feca87870a221c260e024475aed0c2eee322a4241907e416c228776f679eb48a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83db974dddaef09fae61dcd97691f4ce24d75875e689271845ff315ea5186921",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2013-06-06T07:42:33Z",
    "title_canon_sha256": "c2ea5fcd03e58afe16e6c897d6d75af9bc1f4f54a36724e9e28ba7e1ff730f0c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.1326",
    "kind": "arxiv",
    "version": 1
  }
}