Pith Number

pith:IRLPQOPZ

pith:2016:IRLPQOPZIPKFX7LSZTAMV3ILQZ

not attested not anchored not stored refs pending

Multivariate Location and Scatter Matrix Estimation Under Cellwise and Casewise Contamination

Andy Leung, Ruben H. Zamar, Victor J. Yohai

arxiv:1609.00402 v2 · 2016-09-01 · 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{IRLPQOPZIPKFX7LSZTAMV3ILQZ}

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	2026-05-18T00:53:59.018803Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4456f839f943d45bfd72ccc0caed0b867dd7ce951c6b48c2069123f8eb51a92f

Aliases

arxiv: 1609.00402 · arxiv_version: 1609.00402v2 · doi: 10.48550/arxiv.1609.00402 · pith_short_12: IRLPQOPZIPKF · pith_short_16: IRLPQOPZIPKFX7LS · pith_short_8: IRLPQOPZ

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/IRLPQOPZIPKFX7LSZTAMV3ILQZ \
  | 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: 4456f839f943d45bfd72ccc0caed0b867dd7ce951c6b48c2069123f8eb51a92f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "469cf7fa339c1413ca48c32831461ab2e80d63c385b397f8b00e793474ef402e",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2016-09-01T21:03:49Z",
    "title_canon_sha256": "0de1f20df4067832b0260ebbfe6831a9462f270641003112fd54c1ac4073a1df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.00402",
    "kind": "arxiv",
    "version": 2
  }
}