Pith Number

pith:KIZFKOHM

pith:2019:KIZFKOHMAOESZA72NVOFB7IMCN

not attested not anchored not stored refs pending

An Online Topic Modeling Framework with Topics Automatically Labeled

Cuiyun Gao, Fenglei Jin, Michael R. Lyu

arxiv:1907.01638 v1 · 2019-06-22 · cs.IR · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KIZFKOHMAOESZA72NVOFB7IMCN}

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	2026-05-17T23:41:35.671938Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

52325538ec03892c83fa6d5c50fd0c137e42cdd94424f63328c7a71014e4c195

Aliases

arxiv: 1907.01638 · arxiv_version: 1907.01638v1 · doi: 10.48550/arxiv.1907.01638 · pith_short_12: KIZFKOHMAOES · pith_short_16: KIZFKOHMAOESZA72 · pith_short_8: KIZFKOHM

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/KIZFKOHMAOESZA72NVOFB7IMCN \
  | 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: 52325538ec03892c83fa6d5c50fd0c137e42cdd94424f63328c7a71014e4c195

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "19aaf58131487bc57d394eb743bddf62e6ab3f278e397fbf3a18baa83abcfd79",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2019-06-22T02:42:44Z",
    "title_canon_sha256": "71389d40bf4e346d6dc3346ce503553faeb078ad206c8b66886ada56da621d6f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.01638",
    "kind": "arxiv",
    "version": 1
  }
}