Pith Number

pith:XCI4APNH

pith:2013:XCI4APNHL5GD62XC3A4STQP26L

not attested not anchored not stored refs pending

The Random Matrix Regime of Maronna's M-estimator with elliptically distributed samples

Fr\'ed\'eric Pascal, Jack W. Silverstein, Romain Couillet

arxiv:1311.7034 v1 · 2013-11-27 · math.PR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XCI4APNHL5GD62XC3A4STQP26L}

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	2026-05-18T03:06:04.300779Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b891c03da75f4c3f6ae2d83929c1faf2d3659e8f3dca417ab1be2a4807e92f43

Aliases

arxiv: 1311.7034 · arxiv_version: 1311.7034v1 · doi: 10.48550/arxiv.1311.7034 · pith_short_12: XCI4APNHL5GD · pith_short_16: XCI4APNHL5GD62XC · pith_short_8: XCI4APNH

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/XCI4APNHL5GD62XC3A4STQP26L \
  | 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: b891c03da75f4c3f6ae2d83929c1faf2d3659e8f3dca417ab1be2a4807e92f43

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c5ff40d7c7c4fa887b7dab6782758e9eaf18c2baa9533b8ccf4f32166e205a7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2013-11-27T16:46:20Z",
    "title_canon_sha256": "c55bb32aacb16c385065f3e542a01117a4d31fad506fb0b1267243024a0490ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.7034",
    "kind": "arxiv",
    "version": 1
  }
}