Pith Number

pith:NF3VF2TZ

pith:2014:NF3VF2TZEIYVBHHHYNGYBYNLXI

not attested not anchored not stored refs pending

Maximum Likelihood Estimation for Linear Gaussian Covariance Models

Caroline Uhler, Donald Richards, Piotr Zwiernik

arxiv:1408.5604 v2 · 2014-08-24 · 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{NF3VF2TZEIYVBHHHYNGYBYNLXI}

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	2026-05-18T01:17:01.261559Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

697752ea792231509ce7c34d80e1abba2bdc4b6bb9237e53e817ce1f18a6e527

Aliases

arxiv: 1408.5604 · arxiv_version: 1408.5604v2 · doi: 10.48550/arxiv.1408.5604 · pith_short_12: NF3VF2TZEIYV · pith_short_16: NF3VF2TZEIYVBHHH · pith_short_8: NF3VF2TZ

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/NF3VF2TZEIYVBHHHYNGYBYNLXI \
  | 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: 697752ea792231509ce7c34d80e1abba2bdc4b6bb9237e53e817ce1f18a6e527

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da980c51f8781635e91ae4363b62d20a7d5f00b593f49c08949fc93b196a3612",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2014-08-24T13:41:40Z",
    "title_canon_sha256": "4177c62db3025479f0ac214c46190c35f45b1a23f262537d0d2a9907edea823c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.5604",
    "kind": "arxiv",
    "version": 2
  }
}