Pith Number

pith:U3FZ4J4U

pith:2012:U3FZ4J4UXNOBGAHUKSSR2BWPUM

not attested not anchored not stored refs pending

Learning Topic Models and Latent Bayesian Networks Under Expansion Constraints

Adel Javanmard, Animashree Anandkumar, Daniel Hsu, Sham M. Kakade

arxiv:1209.5350 v3 · 2012-09-24 · stat.ML · cs.LG · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U3FZ4J4UXNOBGAHUKSSR2BWPUM}

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	2026-05-18T03:25:04.190990Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6cb9e2794bb5c1300f454a51d06cfa333f681224eca9e8ae5d6fea07c70ece0

Aliases

arxiv: 1209.5350 · arxiv_version: 1209.5350v3 · doi: 10.48550/arxiv.1209.5350 · pith_short_12: U3FZ4J4UXNOB · pith_short_16: U3FZ4J4UXNOBGAHU · pith_short_8: U3FZ4J4U

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/U3FZ4J4UXNOBGAHUKSSR2BWPUM \
  | 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: a6cb9e2794bb5c1300f454a51d06cfa333f681224eca9e8ae5d6fea07c70ece0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e43e7c53ff5385360f6546f98dc0650cea36e2bbff04af7db79adbcd98d0c71",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2012-09-24T18:11:02Z",
    "title_canon_sha256": "a8d5ee3c67ad5fefbafe5c18267495af5aac36e0b5651231f7748d7fac5ad4da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.5350",
    "kind": "arxiv",
    "version": 3
  }
}