Pith Number

pith:KHLJ2MDX

pith:2021:KHLJ2MDXLBBTDPVS3E42M5OOFV

not attested not anchored not stored refs pending

Graphical Elastic Net and Target Matrices: Fast Algorithms and Software for Sparse Precision Matrix Estimation

Helena Obrist, Peter B\"uhlmann, Solt Kov\'acs, Tobias Ruckstuhl

arxiv:2101.02148 v1 · 2021-01-06 · stat.ME · stat.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KHLJ2MDXLBBTDPVS3E42M5OOFV}

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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.

Cited by

1 paper in Pith

Gaussian Graphical Models for Functional Connectivity Analysis: A Statistical Review with Applications to Alzheimer's Disease

Receipt and verification

First computed	2026-07-05T02:05:03.646095Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51d69d3077584331beb2d939a675ce2d547467f88998a2b1f551b4e6e7d3369b

Aliases

arxiv: 2101.02148 · arxiv_version: 2101.02148v1 · doi: 10.48550/arxiv.2101.02148 · pith_short_12: KHLJ2MDXLBBT · pith_short_16: KHLJ2MDXLBBTDPVS · pith_short_8: KHLJ2MDX

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/KHLJ2MDXLBBTDPVS3E42M5OOFV \
  | 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: 51d69d3077584331beb2d939a675ce2d547467f88998a2b1f551b4e6e7d3369b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5cae70e2a7ec25f917d3558198ac0dd455c7fab95b5ca832f4edc662b2cc23e7",
    "cross_cats_sorted": [
      "stat.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2021-01-06T17:28:30Z",
    "title_canon_sha256": "b0084f7e2b24c3ab51761d68c689874e6272e38c089f97074d945e133a65934c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.02148",
    "kind": "arxiv",
    "version": 1
  }
}