Pith Number

pith:2BESY4YJ

pith:2010:2BESY4YJ4NPVPSC2YKLPNB4RZG

not attested not anchored not stored refs pending

Learning Latent Tree Graphical Models

Alan S. Willsky, Animashree Anandkumar, Myung Jin Choi, Vincent Y. F. Tan

arxiv:1009.2722 v1 · 2010-09-14 · stat.ML · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2BESY4YJ4NPVPSC2YKLPNB4RZG}

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	2026-05-18T04:40:56.491562Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0492c7309e35f57c85ac296f68791c9ab040fb3f30aa14902fdeb47b3ad67f4

Aliases

arxiv: 1009.2722 · arxiv_version: 1009.2722v1 · doi: 10.48550/arxiv.1009.2722 · pith_short_12: 2BESY4YJ4NPV · pith_short_16: 2BESY4YJ4NPVPSC2 · pith_short_8: 2BESY4YJ

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/2BESY4YJ4NPVPSC2YKLPNB4RZG \
  | 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: d0492c7309e35f57c85ac296f68791c9ab040fb3f30aa14902fdeb47b3ad67f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3eed929cb20203b7a700d42ba35cf66b7cf1812a00e0ea39b6232524549cdd1",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2010-09-14T17:37:44Z",
    "title_canon_sha256": "25e8e76e6c44b12aff553e0208398577593b3a9f990e1f0ea1698e8d63297dbd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.2722",
    "kind": "arxiv",
    "version": 1
  }
}