Pith Number

pith:CJ6E7DXM

pith:2017:CJ6E7DXMQVSRFMOZAB3ZNHSM6S

not attested not anchored not stored refs pending

Maximum likelihood estimation in Gaussian models under total positivity

Caroline Uhler, Piotr Zwiernik, Steffen Lauritzen

arxiv:1702.04031 v3 · 2017-02-14 · stat.ME · math.ST · 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{CJ6E7DXMQVSRFMOZAB3ZNHSM6S}

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	2026-05-18T00:14:57.197888Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

127c4f8eec856512b1d90077969e4cf4aa2898c82b1ab65bb4fe3ff36c5c70f9

Aliases

arxiv: 1702.04031 · arxiv_version: 1702.04031v3 · doi: 10.48550/arxiv.1702.04031 · pith_short_12: CJ6E7DXMQVSR · pith_short_16: CJ6E7DXMQVSRFMOZ · pith_short_8: CJ6E7DXM

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/CJ6E7DXMQVSRFMOZAB3ZNHSM6S \
  | 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: 127c4f8eec856512b1d90077969e4cf4aa2898c82b1ab65bb4fe3ff36c5c70f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36042de474bb33101d120b2a425bf2da97bdf1afa4905628c1c2eea898445a12",
    "cross_cats_sorted": [
      "math.ST",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2017-02-14T00:34:06Z",
    "title_canon_sha256": "3b3e328660c1ee362ef97fbaf01be19c11b7ce401d582393a3ffc8f1873f36bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.04031",
    "kind": "arxiv",
    "version": 3
  }
}