Pith Number

pith:DMNUUDTJ

pith:2004:DMNUUDTJSZHJ3DX3CCJSIFSIMN

not attested not anchored not stored refs pending

Eigenvalues of Large Sample Covariance Matrices of Spiked Population Models

Jack W. Silverstein, Jinho Baik

arxiv:math/0408165 v1 · 2004-08-12 · math.ST · math.PR · 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{DMNUUDTJSZHJ3DX3CCJSIFSIMN}

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.

Cited by

1 paper in Pith

Impact of Bottleneck Layers and Skip Connections on the Generalization of Linear Denoising Autoencoders

Receipt and verification

First computed	2026-07-04T15:01:54.671073Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b1b4a0e69964e9d8efb109324164863642f3abaa7dc2cb33751a538bbf04fcc

Aliases

arxiv: math/0408165 · arxiv_version: math/0408165v1 · doi: 10.48550/arxiv.math/0408165 · pith_short_12: DMNUUDTJSZHJ · pith_short_16: DMNUUDTJSZHJ3DX3 · pith_short_8: DMNUUDTJ

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/DMNUUDTJSZHJ3DX3CCJSIFSIMN \
  | 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: 1b1b4a0e69964e9d8efb109324164863642f3abaa7dc2cb33751a538bbf04fcc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5dd5ecaeddb0169c20369c93e4442a1cfc776843cc0b8fef3c3c75cb35b3de6",
    "cross_cats_sorted": [
      "math.PR",
      "stat.TH"
    ],
    "license": "",
    "primary_cat": "math.ST",
    "submitted_at": "2004-08-12T13:24:40Z",
    "title_canon_sha256": "c852d3650efccc1df6346b67462792ac709fdd1758ff234a4bfedcf05fa4c28e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0408165",
    "kind": "arxiv",
    "version": 1
  }
}