Pith Number

pith:DFLAVSQX

pith:2012:DFLAVSQX7UXWCRGGIC2G77VELG

not attested not anchored not stored refs pending

Composite likelihood estimation of sparse Gaussian graphical models with symmetry

Helene Massam, Xin Gao

arxiv:1208.4275 v1 · 2012-08-21 · 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{DFLAVSQX7UXWCRGGIC2G77VELG}

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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.

Receipt and verification

First computed	2026-05-18T03:48:23.991355Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19560aca17fd2f6144c640b46ffea459a243acd20c0b09d9f60e1b992d03b528

Aliases

arxiv: 1208.4275 · arxiv_version: 1208.4275v1 · doi: 10.48550/arxiv.1208.4275 · pith_short_12: DFLAVSQX7UXW · pith_short_16: DFLAVSQX7UXWCRGG · pith_short_8: DFLAVSQX

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/DFLAVSQX7UXWCRGGIC2G77VELG \
  | 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: 19560aca17fd2f6144c640b46ffea459a243acd20c0b09d9f60e1b992d03b528

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d49e892610054cfdd28858224ffc621e79e966b8c13a7d48ed9e895841a9915",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2012-08-21T14:20:05Z",
    "title_canon_sha256": "fe27b563ad690fe4d6bed68e3d0096027ba79b2720ba585ac89ad6510feb5e56"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.4275",
    "kind": "arxiv",
    "version": 1
  }
}