Pith Number

pith:MXJU6TKL

pith:2014:MXJU6TKL5BDFNJ6X6XTQLWRL6H

not attested not anchored not stored refs pending

Estimation of positive definite M-matrices and structure learning for attractive Gaussian Markov Random fields

Martin Slawski, Matthias Hein

arxiv:1404.6640 v1 · 2014-04-26 · math.ST · stat.ML · 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{MXJU6TKL5BDFNJ6X6XTQLWRL6H}

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	2026-05-18T02:53:06.425862Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

65d34f4d4be84656a7d7f5e705da2bf1cc74ceaa04dc2665ddbd4a70c0d03113

Aliases

arxiv: 1404.6640 · arxiv_version: 1404.6640v1 · doi: 10.48550/arxiv.1404.6640 · pith_short_12: MXJU6TKL5BDF · pith_short_16: MXJU6TKL5BDFNJ6X · pith_short_8: MXJU6TKL

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/MXJU6TKL5BDFNJ6X6XTQLWRL6H \
  | 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: 65d34f4d4be84656a7d7f5e705da2bf1cc74ceaa04dc2665ddbd4a70c0d03113

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "170327f10581b78c31b3a1612d84a9b9fe2f76fd30dedb9814a70d1410e010e7",
    "cross_cats_sorted": [
      "stat.ML",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2014-04-26T13:22:37Z",
    "title_canon_sha256": "57a531fe9e8025373bea1b8ef574902fcacbb391385267f4b6531a606593fe86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.6640",
    "kind": "arxiv",
    "version": 1
  }
}