Pith Number

pith:4UMB5PLZ

pith:2020:4UMB5PLZXQ3PYJIOCOWA533AJR

not attested not anchored not stored refs pending

Unification of HDP and LDA Models for Optimal Topic Clustering of Subject Specific Question Banks

Akshar Nair, Alexandra Gkolia, James Davenport, Nicolas Pizzo, Nikhil Fernandes

arxiv:2011.01035 v1 · 2020-10-04 · cs.IR · cs.CL · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4UMB5PLZXQ3PYJIOCOWA533AJR}

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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.

Cited by

1 paper in Pith

FinTextSim: Enhancing Financial Text Analysis with BERTopic

Receipt and verification

First computed	2026-07-05T01:48:22.258958Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5181ebd79bc36fc250e13ac0eef604c57c100b61cb0537e548c47596e9dae1b

Aliases

arxiv: 2011.01035 · arxiv_version: 2011.01035v1 · doi: 10.48550/arxiv.2011.01035 · pith_short_12: 4UMB5PLZXQ3P · pith_short_16: 4UMB5PLZXQ3PYJIO · pith_short_8: 4UMB5PLZ

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/4UMB5PLZXQ3PYJIOCOWA533AJR \
  | 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: e5181ebd79bc36fc250e13ac0eef604c57c100b61cb0537e548c47596e9dae1b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe72a3503acf729ffef5a883f026d203d91beca78b3b9019ee3b7e2ac5f40277",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2020-10-04T18:21:20Z",
    "title_canon_sha256": "6281c04fef94f1115c43d259551eea757106c301f5b7220df530b469de4711d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2011.01035",
    "kind": "arxiv",
    "version": 1
  }
}