Pith Number

pith:MEOTZHYH

pith:2015:MEOTZHYHU4E5NXZY3ZEHW2FWNY

not attested not anchored not stored refs pending

Regularized estimation of linear functionals of precision matrices for high-dimensional time series

Mengyu Xu, Wei Biao Wu, Xiaohui Chen

arxiv:1506.03832 v5 · 2015-06-11 · 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{MEOTZHYHU4E5NXZY3ZEHW2FWNY}

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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	2026-05-18T00:57:18.451623Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

611d3c9f07a709d6df38de487b68b66e08af292d39eed84e5b4486e190783b38

Aliases

arxiv: 1506.03832 · arxiv_version: 1506.03832v5 · doi: 10.48550/arxiv.1506.03832 · pith_short_12: MEOTZHYHU4E5 · pith_short_16: MEOTZHYHU4E5NXZY · pith_short_8: MEOTZHYH

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/MEOTZHYHU4E5NXZY3ZEHW2FWNY \
  | 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: 611d3c9f07a709d6df38de487b68b66e08af292d39eed84e5b4486e190783b38

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "edd1eaba67efba81f2dfbe4a4425c995eece5b8395a1d0090b6f9e69a2bc1823",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2015-06-11T20:56:20Z",
    "title_canon_sha256": "3008362c1f555db46f854216a02dc730ec408477aa6b1040b5f4ff765562af67"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.03832",
    "kind": "arxiv",
    "version": 5
  }
}