Pith Number

pith:6F2N2IVH

pith:2020:6F2N2IVH4NLUEMQJDUX5BEYVJY

not attested not anchored not stored refs pending

Computing Maximum Likelihood Estimates for Gaussian Graphical Models with Macaulay2

Carlos Am\'endola, Harshit J. Motwani, Luis David Garc\'ia Puente, Olga Kuznetsova, Roser Homs

arxiv:2012.11572 v3 · 2020-12-21 · stat.CO · math.AC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6F2N2IVH4NLUEMQJDUX5BEYVJY}

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	2026-07-05T05:35:10.686619Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f174dd22a7e3574232091d2fd093154e13c708629bd2475cc8febfa4b83dbd43

Aliases

arxiv: 2012.11572 · arxiv_version: 2012.11572v3 · doi: 10.48550/arxiv.2012.11572 · pith_short_12: 6F2N2IVH4NLU · pith_short_16: 6F2N2IVH4NLUEMQJ · pith_short_8: 6F2N2IVH

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/6F2N2IVH4NLUEMQJDUX5BEYVJY \
  | 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: f174dd22a7e3574232091d2fd093154e13c708629bd2475cc8febfa4b83dbd43

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e548c9a88dd04e45702505cf8ff79fbfc2a2e61c33a2418d4ed1be2756fdf22f",
    "cross_cats_sorted": [
      "math.AC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2020-12-21T18:50:41Z",
    "title_canon_sha256": "39f7cda94b8c0cadf2141cc4b802e76cc77a58c7a765d7fb8e05c849364f0821"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.11572",
    "kind": "arxiv",
    "version": 3
  }
}