Pith Number

pith:XJF7KX6F

pith:2013:XJF7KX6FRHKEL6FVBXYT5WE63K

not attested not anchored not stored refs pending

A general theory for nonlinear sufficient dimension reduction: Formulation and estimation

Bing Li, Francesca Chiaromonte, Kuang-Yao Lee

arxiv:1304.0580 v1 · 2013-04-02 · 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{XJF7KX6FRHKEL6FVBXYT5WE63K}

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	2026-05-18T03:29:14.984658Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba4bf55fc589d445f8b50df13ed89eda9e2715dc76c78fd4f03f1af59c6d1aa4

Aliases

arxiv: 1304.0580 · arxiv_version: 1304.0580v1 · doi: 10.48550/arxiv.1304.0580 · pith_short_12: XJF7KX6FRHKE · pith_short_16: XJF7KX6FRHKEL6FV · pith_short_8: XJF7KX6F

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/XJF7KX6FRHKEL6FVBXYT5WE63K \
  | 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: ba4bf55fc589d445f8b50df13ed89eda9e2715dc76c78fd4f03f1af59c6d1aa4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3252e6d18e0ab1444edef15d72e3844fb91d6e3a95e5e2071ff52568aad8e95",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2013-04-02T10:17:54Z",
    "title_canon_sha256": "3cafffb741f9b5e885181b7fe76be1b82892df810ce1d83cdfd07a69e7eb548d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.0580",
    "kind": "arxiv",
    "version": 1
  }
}