Pith Number

pith:P3AHBZXT

pith:2014:P3AHBZXTEXEVVF7CZPCPSDS6KD

not attested not anchored not stored refs pending

Regularized $M$-estimators of scatter matrix

David E. Tyler, Esa Ollila

arxiv:1405.2528 v3 · 2014-05-11 · stat.AP · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P3AHBZXTEXEVVF7CZPCPSDS6KD}

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	2026-05-18T01:43:15.318026Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ec070e6f325c95a97e2cbc4f90e5e50f0d9f115f6723f854475a1dc5fc6aa05

Aliases

arxiv: 1405.2528 · arxiv_version: 1405.2528v3 · doi: 10.48550/arxiv.1405.2528 · pith_short_12: P3AHBZXTEXEV · pith_short_16: P3AHBZXTEXEVVF7C · pith_short_8: P3AHBZXT

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/P3AHBZXTEXEVVF7CZPCPSDS6KD \
  | 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: 7ec070e6f325c95a97e2cbc4f90e5e50f0d9f115f6723f854475a1dc5fc6aa05

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dcd85b0a611f34c7ca03eefa29f999d9c3764a3817b4daaf272a55002eb080e6",
    "cross_cats_sorted": [
      "stat.ME"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2014-05-11T12:34:43Z",
    "title_canon_sha256": "85e8a3e48421afcab3d7540ceee0bf275818dd23b0883645cf4b0214ba81f394"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.2528",
    "kind": "arxiv",
    "version": 3
  }
}