Pith Number

pith:X3WYXGL5

pith:2018:X3WYXGL54CCP2RU66TFWCRHKK5

not attested not anchored not stored refs pending

Learning the effect of latent variables in Gaussian Graphical models with unobserved variables

Guillaume Obozinski, Marina Vinyes

arxiv:1807.07754 v2 · 2018-07-20 · stat.ML · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X3WYXGL54CCP2RU66TFWCRHKK5}

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	2026-05-18T00:09:23.834736Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

beed8b997de084fd469ef4cb6144ea576cc4093dee20418993ece305e793c314

Aliases

arxiv: 1807.07754 · arxiv_version: 1807.07754v2 · doi: 10.48550/arxiv.1807.07754 · pith_short_12: X3WYXGL54CCP · pith_short_16: X3WYXGL54CCP2RU6 · pith_short_8: X3WYXGL5

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/X3WYXGL54CCP2RU66TFWCRHKK5 \
  | 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: beed8b997de084fd469ef4cb6144ea576cc4093dee20418993ece305e793c314

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6ffacd52044787da5e6d5e72f140ad0027917e465090c7fc7190f415b5c5ea9",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2018-07-20T09:35:25Z",
    "title_canon_sha256": "50a93dffd21d0adc7509fbc7c50ba91ee4600fbdc3f368bf013b7952b1201934"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.07754",
    "kind": "arxiv",
    "version": 2
  }
}