Pith Number

pith:546OZUGW

pith:2021:546OZUGW5WL24UGPTR7UKHWYKE

not attested not anchored not stored refs pending

Inference for Heteroskedastic PCA with Missing Data

Jianqing Fan, Yuling Yan, Yuxin Chen

arxiv:2107.12365 v2 · 2021-07-26 · math.ST · cs.IT · cs.LG · math.IT · stat.ME · stat.ML · stat.TH

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{546OZUGW5WL24UGPTR7UKHWYKE}

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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.

Cited by

1 paper in Pith

Statistical Inference for Linear Functions of Eigenvectors with Small Eigengaps

Receipt and verification

First computed	2026-07-05T10:31:37.622887Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef3cecd0d6ed97ae50cf9c7f451ed8510dd3ff7a9a9afbc4e1f9dcc743e89e9c

Aliases

arxiv: 2107.12365 · arxiv_version: 2107.12365v2 · doi: 10.48550/arxiv.2107.12365 · pith_short_12: 546OZUGW5WL2 · pith_short_16: 546OZUGW5WL24UGP · pith_short_8: 546OZUGW

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/546OZUGW5WL24UGPTR7UKHWYKE \
  | 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: ef3cecd0d6ed97ae50cf9c7f451ed8510dd3ff7a9a9afbc4e1f9dcc743e89e9c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fbf09805c6eb286df7e9d9140371bbc9b65e2f6062c5cc7e274fc37fdb1dd494",
    "cross_cats_sorted": [
      "cs.IT",
      "cs.LG",
      "math.IT",
      "stat.ME",
      "stat.ML",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2021-07-26T17:59:01Z",
    "title_canon_sha256": "61f77addfb28a397f8d97f18d53f77753bf038d73ff5f7a535c154acb71217e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.12365",
    "kind": "arxiv",
    "version": 2
  }
}