Pith Number

pith:NW5FLBCE

pith:2013:NW5FLBCEQAAVG2WSYUHCCSKN3K

not attested not anchored not stored refs pending

Semiparametric Sparse Discriminant Analysis

Hui Zou, Qing Mai

arxiv:1304.4983 v2 · 2013-04-17 · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NW5FLBCEQAAVG2WSYUHCCSKN3K}

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	2026-05-18T02:29:25.212854Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6dba5584448001536ad2c50e21494ddaaef61c3e0ed4c61b765d7fa307433eb1

Aliases

arxiv: 1304.4983 · arxiv_version: 1304.4983v2 · doi: 10.48550/arxiv.1304.4983 · pith_short_12: NW5FLBCEQAAV · pith_short_16: NW5FLBCEQAAVG2WS · pith_short_8: NW5FLBCE

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/NW5FLBCEQAAVG2WSYUHCCSKN3K \
  | 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: 6dba5584448001536ad2c50e21494ddaaef61c3e0ed4c61b765d7fa307433eb1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df5f57cdfb4d9ff4663741bc3596eb884d42dcbb9eec381e53a9f3523fa6ff0c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2013-04-17T22:30:27Z",
    "title_canon_sha256": "720d149867b492412d1b7517f650628991cb239b0b219dd2f8c6a53fb08d6034"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.4983",
    "kind": "arxiv",
    "version": 2
  }
}