Pith Number

pith:LFHC7CJB

pith:2025:LFHC7CJBDSQKESC2PQ5BWSWGCP

not attested not anchored not stored refs pending

Spectrally Robust Covariance Shrinkage for Hotelling's $T^2$ in High Dimensions

Benjamin D. Robinson, Van Latimer

arxiv:2502.02006 v3 · 2025-02-04 · math.ST · math.PR · stat.ME · 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{LFHC7CJBDSQKESC2PQ5BWSWGCP}

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	2026-07-05T11:20:08.602816Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

594e2f89211ca0a2485a7c3a1b4ac613dce51336551d221beafdc550333661c1

Aliases

arxiv: 2502.02006 · arxiv_version: 2502.02006v3 · doi: 10.48550/arxiv.2502.02006 · pith_short_12: LFHC7CJBDSQK · pith_short_16: LFHC7CJBDSQKESC2 · pith_short_8: LFHC7CJB

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/LFHC7CJBDSQKESC2PQ5BWSWGCP \
  | 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: 594e2f89211ca0a2485a7c3a1b4ac613dce51336551d221beafdc550333661c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3913c486b7b665687383339344529c1169d1a3fa7d13e0f09e372ca95e3a1dc",
    "cross_cats_sorted": [
      "math.PR",
      "stat.ME",
      "stat.TH"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2025-02-04T04:45:52Z",
    "title_canon_sha256": "9ad3f381cf42db8b730f451b9c1543b922c501954dd2eb986449b9a0731052be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.02006",
    "kind": "arxiv",
    "version": 3
  }
}