Pith Number

pith:RBJDKM4P

pith:2018:RBJDKM4P3UJAA2AKMARZ7L4SIF

not attested not anchored not stored refs pending

STTM: A Tool for Short Text Topic Modeling

Jipeng Qiang, Wei Liu, Xindong Wu, Yunhao Yuan, Yun Li

arxiv:1808.02215 v1 · 2018-08-07 · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RBJDKM4P3UJAA2AKMARZ7L4SIF}

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	2026-05-18T00:08:47.204506Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

885235338fdd1200680a60239faf924142ea2de7f832423d9780f4966138159a

Aliases

arxiv: 1808.02215 · arxiv_version: 1808.02215v1 · doi: 10.48550/arxiv.1808.02215 · pith_short_12: RBJDKM4P3UJA · pith_short_16: RBJDKM4P3UJAA2AK · pith_short_8: RBJDKM4P

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/RBJDKM4P3UJAA2AKMARZ7L4SIF \
  | 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: 885235338fdd1200680a60239faf924142ea2de7f832423d9780f4966138159a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4df9c5d0a279cdbbba9263d68697fa70a881df46318ae936761f6673fbe564d7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2018-08-07T05:16:55Z",
    "title_canon_sha256": "8672ef30cc93dbcc3d594bb76108bc2dbeec3f280d41be9ece91116e294344e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.02215",
    "kind": "arxiv",
    "version": 1
  }
}