Pith Number

pith:HJ72P67Q

pith:2017:HJ72P67QGW4U2TGOCGJJUIWQPZ

not attested not anchored not stored refs pending

An Expectation Conditional Maximization approach for Gaussian graphical models

Tyler H. McCormick, Zehang Richard Li

arxiv:1709.06970 v3 · 2017-09-20 · 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{HJ72P67QGW4U2TGOCGJJUIWQPZ}

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	2026-05-17T23:54:41.776395Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a7fa7fbf035b94d4cce11929a22d07e6a497084f6fcc3e42df1b22a8a2c10e7

Aliases

arxiv: 1709.06970 · arxiv_version: 1709.06970v3 · doi: 10.48550/arxiv.1709.06970 · pith_short_12: HJ72P67QGW4U · pith_short_16: HJ72P67QGW4U2TGO · pith_short_8: HJ72P67Q

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/HJ72P67QGW4U2TGOCGJJUIWQPZ \
  | 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: 3a7fa7fbf035b94d4cce11929a22d07e6a497084f6fcc3e42df1b22a8a2c10e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68c15cfc6238e03fa824f97bcf7323f48c0d2fb914992988ee06a54b4c7cd3ad",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2017-09-20T17:05:19Z",
    "title_canon_sha256": "3cb46695289f113fc3c83bd818fc7fb0f1c4845bccd9f611fee185b37d9706a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.06970",
    "kind": "arxiv",
    "version": 3
  }
}