Pith Number

pith:KF6EAB2X

pith:2011:KF6EAB2XSSRGHQL5XCFDXB5S24

not attested not anchored not stored refs pending

Sparse linear discriminant analysis by thresholding for high dimensional data

Jun Shao, Sijian Wang, Xinwei Deng, Yazhen Wang

arxiv:1105.3561 v1 · 2011-05-18 · 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{KF6EAB2XSSRGHQL5XCFDXB5S24}

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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	2026-05-18T04:21:52.367885Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

517c40075794a263c17db88a3b87b2d72ea5bf303753ae8c766741951a421f42

Aliases

arxiv: 1105.3561 · arxiv_version: 1105.3561v1 · doi: 10.48550/arxiv.1105.3561 · pith_short_12: KF6EAB2XSSRG · pith_short_16: KF6EAB2XSSRGHQL5 · pith_short_8: KF6EAB2X

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/KF6EAB2XSSRGHQL5XCFDXB5S24 \
  | 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: 517c40075794a263c17db88a3b87b2d72ea5bf303753ae8c766741951a421f42

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe102353cfad3e3e31c40f5f343e8ac4132b5dc8f71c69200f8d14d9a0a0cea7",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2011-05-18T08:35:46Z",
    "title_canon_sha256": "3bae4b3d3fb16f6531a8cbd432ccb33dd30b2af6ec5083a828e01a7acd6ff8fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.3561",
    "kind": "arxiv",
    "version": 1
  }
}