Pith Number

pith:LDWJ6KPS

pith:2017:LDWJ6KPSRD25WXLRSELWIP3YK2

not attested not anchored not stored refs pending

Edgeworth correction for the largest eigenvalue in a spiked PCA model

Iain M. Johnstone, Jeha Yang

arxiv:1710.06899 v1 · 2017-10-18 · 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{LDWJ6KPSRD25WXLRSELWIP3YK2}

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	2026-05-18T00:32:29.962205Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58ec9f29f288f5db5d719117643f785690ffe589ee912cb94fd51582013a880b

Aliases

arxiv: 1710.06899 · arxiv_version: 1710.06899v1 · doi: 10.48550/arxiv.1710.06899 · pith_short_12: LDWJ6KPSRD25 · pith_short_16: LDWJ6KPSRD25WXLR · pith_short_8: LDWJ6KPS

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/LDWJ6KPSRD25WXLRSELWIP3YK2 \
  | 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: 58ec9f29f288f5db5d719117643f785690ffe589ee912cb94fd51582013a880b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9154acebccc34bad002af96f28162d52e5329c28a860becf8785b54c9f4f52de",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2017-10-18T19:10:11Z",
    "title_canon_sha256": "0a5633723712de6f8d9bb8cf5574c7d57966575b275e4ee679a105490f87a8bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.06899",
    "kind": "arxiv",
    "version": 1
  }
}