Pith Number

pith:TO3NRDQA

pith:2015:TO3NRDQAEXPX4Q6JQGGMNOPV6A

not attested not anchored not stored refs pending

High-dimensional robust precision matrix estimation: Cellwise corruption under $\epsilon$-contamination

Po-Ling Loh, Xin Lu Tan

arxiv:1509.07229 v1 · 2015-09-24 · 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{TO3NRDQAEXPX4Q6JQGGMNOPV6A}

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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	2026-05-18T01:32:09.504208Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9bb6d88e0025df7e43c9818cc6b9f5f0140f8cd0d6a92b30a8945368e280e3c3

Aliases

arxiv: 1509.07229 · arxiv_version: 1509.07229v1 · doi: 10.48550/arxiv.1509.07229 · pith_short_12: TO3NRDQAEXPX · pith_short_16: TO3NRDQAEXPX4Q6J · pith_short_8: TO3NRDQA

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/TO3NRDQAEXPX4Q6JQGGMNOPV6A \
  | 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: 9bb6d88e0025df7e43c9818cc6b9f5f0140f8cd0d6a92b30a8945368e280e3c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f48b5402417ea29477df8eefaea43e6fa4c7165d39f906d32c28f7189b93fa16",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2015-09-24T03:49:47Z",
    "title_canon_sha256": "27641abb32c40d0fa7481c400d2173e140dff6d30728c2d024f93bd3b6519933"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.07229",
    "kind": "arxiv",
    "version": 1
  }
}