Pith Number

pith:2O63CH4E

pith:2015:2O63CH4EHG3KRXWUJFMMNOG3TZ

not attested not anchored not stored refs pending

Sparse Partially Collapsed MCMC for Parallel Inference in Topic Models

David Broman, Leif Jonsson, M{\aa}ns Magnusson, Mattias Villani

arxiv:1506.03784 v3 · 2015-06-11 · stat.ML · 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{2O63CH4EHG3KRXWUJFMMNOG3TZ}

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	2026-05-18T00:38:06.587741Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3bdb11f8439b6a8ded44958c6b8db9e4f911a05107a1aabd18e4c76331b54f6

Aliases

arxiv: 1506.03784 · arxiv_version: 1506.03784v3 · doi: 10.48550/arxiv.1506.03784 · pith_short_12: 2O63CH4EHG3K · pith_short_16: 2O63CH4EHG3KRXWU · pith_short_8: 2O63CH4E

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/2O63CH4EHG3KRXWUJFMMNOG3TZ \
  | 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: d3bdb11f8439b6a8ded44958c6b8db9e4f911a05107a1aabd18e4c76331b54f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49150169f32b7ae14f3f8befc3bfda94d2fea69b516f9597af0765a05b29ade9",
    "cross_cats_sorted": [
      "stat.ME"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2015-06-11T19:16:01Z",
    "title_canon_sha256": "377588a20ac7e2e779d3d4280d7a9b48133ae59508fbcd93e2286bca35cb8b43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.03784",
    "kind": "arxiv",
    "version": 3
  }
}