Pith Number

pith:YKH5PH2U

pith:2025:YKH5PH2UPPMITDCX2SON3SAXXB

not attested not anchored not stored refs pending

Two-Sample Covariance Inference in High-Dimensional Elliptical Models

Nina D\"ornemann

arxiv:2507.02640 v1 · 2025-07-03 · 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{YKH5PH2UPPMITDCX2SON3SAXXB}

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	2026-07-05T11:31:32.220906Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c28fd79f547bd8898c57d49cddc817b8422e489855bd5611ce37f77a480a54f3

Aliases

arxiv: 2507.02640 · arxiv_version: 2507.02640v1 · doi: 10.48550/arxiv.2507.02640 · pith_short_12: YKH5PH2UPPMI · pith_short_16: YKH5PH2UPPMITDCX · pith_short_8: YKH5PH2U

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/YKH5PH2UPPMITDCX2SON3SAXXB \
  | 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: c28fd79f547bd8898c57d49cddc817b8422e489855bd5611ce37f77a480a54f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe494a5e6457e8ca9ae80c43ea2bc22c664c3169672dadd158621255f0260ab0",
    "cross_cats_sorted": [
      "math.PR",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2025-07-03T14:07:03Z",
    "title_canon_sha256": "a17916685f011e8292431b0f5458796a31042987ec29c7df51159e05a8067816"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.02640",
    "kind": "arxiv",
    "version": 1
  }
}