Pith Number

pith:VHM32ULW

pith:2019:VHM32ULWCRLLIM5RAQWD7ABNV2

not attested not anchored not stored refs pending

High-dimensional principal component analysis with heterogeneous missingness

Richard J. Samworth, Tengyao Wang, Ziwei Zhu

arxiv:1906.12125 v1 · 2019-06-28 · stat.ME · 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{VHM32ULWCRLLIM5RAQWD7ABNV2}

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	2026-05-17T23:41:59.220927Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9d9bd51761456b433b1042c3f802daebbe2f989a9bbf81a196466d7b7260584

Aliases

arxiv: 1906.12125 · arxiv_version: 1906.12125v1 · doi: 10.48550/arxiv.1906.12125 · pith_short_12: VHM32ULWCRLL · pith_short_16: VHM32ULWCRLLIM5R · pith_short_8: VHM32ULW

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/VHM32ULWCRLLIM5RAQWD7ABNV2 \
  | 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: a9d9bd51761456b433b1042c3f802daebbe2f989a9bbf81a196466d7b7260584

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8819028fd607bce2414827528185c975bcfccc4727ff9c7d40aa086060a66053",
    "cross_cats_sorted": [
      "math.ST",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2019-06-28T10:37:16Z",
    "title_canon_sha256": "7c988e86d355054323a7006becb369552a01df0fffce76a9dbf1a616612cb92f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.12125",
    "kind": "arxiv",
    "version": 1
  }
}