Pith Number

pith:MBE5ZSRX

pith:2018:MBE5ZSRX2X4MLYRCIZNQSRGE2D

not attested not anchored not stored refs pending

Large-dimensional behavior of regularized Maronna's M-estimators of covariance matrices

David Morales-Jimenez, Matthew R. McKay, Nicolas Auguin, Romain Couillet

arxiv:1804.09912 v1 · 2018-04-26 · math.ST · 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{MBE5ZSRX2X4MLYRCIZNQSRGE2D}

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	2026-05-18T00:11:49.274303Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6049dcca37d5f8c5e222465b0944c4d0fe4a303d05bc0ae1ce681478f78efaae

Aliases

arxiv: 1804.09912 · arxiv_version: 1804.09912v1 · doi: 10.48550/arxiv.1804.09912 · pith_short_12: MBE5ZSRX2X4M · pith_short_16: MBE5ZSRX2X4MLYRC · pith_short_8: MBE5ZSRX

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/MBE5ZSRX2X4MLYRCIZNQSRGE2D \
  | 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: 6049dcca37d5f8c5e222465b0944c4d0fe4a303d05bc0ae1ce681478f78efaae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22f6cb325bdba07f0eb609f8dc8dc694114e579f30c829a37ed39dd193b4d0da",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2018-04-26T06:51:20Z",
    "title_canon_sha256": "69889d819259de0941151f7193bb31569027e1d1c478b467dd201e282f58f2c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.09912",
    "kind": "arxiv",
    "version": 1
  }
}