Pith Number

pith:7EW3GMOE

pith:2013:7EW3GMOENLM2U4H5QDD57JRRU2

not attested not anchored not stored refs pending

Gibbs Max-margin Topic Models with Data Augmentation

Bo Zhang, Hugh Perkins, Jun Zhu, Ning Chen

arxiv:1310.2816 v1 · 2013-10-10 · stat.ML · cs.LG · stat.CO · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7EW3GMOENLM2U4H5QDD57JRRU2}

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	2026-05-18T03:10:46.608475Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f92db331c46ad9aa70fd80c7dfa631a69645c0582f9d18189b22385113ffa2ac

Aliases

arxiv: 1310.2816 · arxiv_version: 1310.2816v1 · doi: 10.48550/arxiv.1310.2816 · pith_short_12: 7EW3GMOENLM2 · pith_short_16: 7EW3GMOENLM2U4H5 · pith_short_8: 7EW3GMOE

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/7EW3GMOENLM2U4H5QDD57JRRU2 \
  | 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: f92db331c46ad9aa70fd80c7dfa631a69645c0582f9d18189b22385113ffa2ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0fba096ae1cd4e9f143f1597e0146ab7ac6e973685fb89da491607bfb26027fc",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.CO",
      "stat.ME"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2013-10-10T13:47:40Z",
    "title_canon_sha256": "2931035c130aa6bc493bf14b2ade2a6e17eae805647fc73c09ebafa2a7625bb3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.2816",
    "kind": "arxiv",
    "version": 1
  }
}