Pith Number

pith:S5RB5KTJ

pith:2013:S5RB5KTJ4CUGAWBD3YA23Z2P5Y

not attested not anchored not stored refs pending

Optimal Feature Selection in High-Dimensional Discriminant Analysis

Han Liu, Mladen Kolar

arxiv:1306.6557 v1 · 2013-06-27 · stat.ML · math.ST · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S5RB5KTJ4CUGAWBD3YA23Z2P5Y}

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	2026-05-18T03:19:44.502774Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97621eaa69e0a8605823de01ade74fee0e922e40e0b0bed0357a6ec4e86f22e2

Aliases

arxiv: 1306.6557 · arxiv_version: 1306.6557v1 · doi: 10.48550/arxiv.1306.6557 · pith_short_12: S5RB5KTJ4CUG · pith_short_16: S5RB5KTJ4CUGAWBD · pith_short_8: S5RB5KTJ

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/S5RB5KTJ4CUGAWBD3YA23Z2P5Y \
  | 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: 97621eaa69e0a8605823de01ade74fee0e922e40e0b0bed0357a6ec4e86f22e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf8f91dac1b3384d3a272250bfb76909521a5850e979925dfb87c57db618c7ef",
    "cross_cats_sorted": [
      "math.ST",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2013-06-27T16:05:30Z",
    "title_canon_sha256": "b1f95a06e41dfa79c8aecd977022dc4f2ee6f07f54744e363d0e78aeb681496c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.6557",
    "kind": "arxiv",
    "version": 1
  }
}