Pith Number

pith:JUEYWHYW

pith:2024:JUEYWHYWEX6MX2SSE4PV4PZCHV

not attested not anchored not stored refs pending

Optimal Differentially Private PCA and Estimation for Spiked Covariance Matrices

Dong Xia, Mengyue Zha, T. Tony Cai

arxiv:2401.03820 v2 · 2024-01-08 · math.ST · cs.IT · math.IT · stat.ME · stat.ML · 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{JUEYWHYWEX6MX2SSE4PV4PZCHV}

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

2 papers in Pith

Efficient Propose-Test-Release for Optimal Differentially Private Estimation

Receipt and verification

First computed	2026-07-05T09:12:24.675489Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4d098b1f1625fccbea52271f5e3f223d7b621c00d6993f13a8219f2e867ce667

Aliases

arxiv: 2401.03820 · arxiv_version: 2401.03820v2 · doi: 10.48550/arxiv.2401.03820 · pith_short_12: JUEYWHYWEX6M · pith_short_16: JUEYWHYWEX6MX2SS · pith_short_8: JUEYWHYW

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/JUEYWHYWEX6MX2SSE4PV4PZCHV \
  | 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: 4d098b1f1625fccbea52271f5e3f223d7b621c00d6993f13a8219f2e867ce667

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52ecd19495ebf9dc33c4aca74d133625d275413bfe914a45fbc38c846e4adcc4",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT",
      "stat.ME",
      "stat.ML",
      "stat.TH"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2024-01-08T11:18:14Z",
    "title_canon_sha256": "4c341e7bb5dff4d6877aeed1a8058c1a177b90ca988efff352cd5c282b464783"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2401.03820",
    "kind": "arxiv",
    "version": 2
  }
}