Pith Number

pith:T77DL2NN

pith:2014:T77DL2NN2TPS3VIWAABFCQJAOJ

not attested not anchored not stored refs pending

A Scalable Asynchronous Distributed Algorithm for Topic Modeling

Cho-Jui Hsieh, Hsiang-Fu Yu, Hyokun Yun, Inderjit S. Dhillon, S.V.N Vishwanathan

arxiv:1412.4986 v1 · 2014-12-16 · cs.DC · cs.IR · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T77DL2NN2TPS3VIWAABFCQJAOJ}

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	2026-05-18T02:31:09.937363Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ffe35e9add4df2dd5160002514120726ca1ed21bcba161c531ba83984efc055

Aliases

arxiv: 1412.4986 · arxiv_version: 1412.4986v1 · doi: 10.48550/arxiv.1412.4986 · pith_short_12: T77DL2NN2TPS · pith_short_16: T77DL2NN2TPS3VIW · pith_short_8: T77DL2NN

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/T77DL2NN2TPS3VIWAABFCQJAOJ \
  | 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: 9ffe35e9add4df2dd5160002514120726ca1ed21bcba161c531ba83984efc055

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be6cb6958211eb51ce32fe08923c0480d37feb40f65b8fab8379c71c31caf9f6",
    "cross_cats_sorted": [
      "cs.IR",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2014-12-16T12:52:50Z",
    "title_canon_sha256": "f00e8c3c4a5a5cb3346947b9c9e35896107c219d152e01a557969ea88b5182c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.4986",
    "kind": "arxiv",
    "version": 1
  }
}