Pith Number

pith:KZLJTUR4

pith:2012:KZLJTUR4SZSDBQ53NK5IEQYRPO

not attested not anchored not stored refs pending

Partial Gaussian Graphical Model Estimation

Tong Zhang, Xiao-Tong Yuan

arxiv:1209.6419 v1 · 2012-09-28 · cs.LG · cs.IT · math.IT · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KZLJTUR4SZSDBQ53NK5IEQYRPO}

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	2026-05-18T03:44:25.528183Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

565699d23c966430c3bb6aba8243117ba0359d241e73a5540ee6f20043016210

Aliases

arxiv: 1209.6419 · arxiv_version: 1209.6419v1 · doi: 10.48550/arxiv.1209.6419 · pith_short_12: KZLJTUR4SZSD · pith_short_16: KZLJTUR4SZSDBQ53 · pith_short_8: KZLJTUR4

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/KZLJTUR4SZSDBQ53NK5IEQYRPO \
  | 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: 565699d23c966430c3bb6aba8243117ba0359d241e73a5540ee6f20043016210

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "343b617da2162b3c27f7d970c9d10f061e2b3447f84eb65ec2efb2b70ed3c22f",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2012-09-28T04:12:14Z",
    "title_canon_sha256": "51c5beabe6126886d07050b4683c84e1ada2fcf89b6d305da0a308aaae7d0fa1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.6419",
    "kind": "arxiv",
    "version": 1
  }
}