Pith Number

pith:UVSN5PLN

pith:2025:UVSN5PLN5KZO4PC5XJIC2KKJIX

not attested not anchored not stored refs pending

Improving Topic Modeling of Social Media Short Texts with Rephrasing: A Case Study of COVID-19 Related Tweets

Shi Chen, Shuhua Yin, Wangjiaxuan Xin, Yaorong Ge

arxiv:2510.18908 v2 · 2025-10-21 · cs.CL · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UVSN5PLN5KZO4PC5XJIC2KKJIX}

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	2026-07-14T02:21:24.058662Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a564debd6deab2ee3c5dba502d294945c8d95073b4d517f862ecde9a08272c05

Aliases

arxiv: 2510.18908 · arxiv_version: 2510.18908v2 · doi: 10.48550/arxiv.2510.18908 · pith_short_12: UVSN5PLN5KZO · pith_short_16: UVSN5PLN5KZO4PC5 · pith_short_8: UVSN5PLN

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/UVSN5PLN5KZO4PC5XJIC2KKJIX \
  | 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: a564debd6deab2ee3c5dba502d294945c8d95073b4d517f862ecde9a08272c05

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d52805a64d54237f346a72b6545d295ece4095774971a0c11650e4009f94f140",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-10-21T03:29:38Z",
    "title_canon_sha256": "89132ac6a6a9f7e9fa319fc9c7be070e50f64afba8eb854985f462ca07a4a44b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2510.18908",
    "kind": "arxiv",
    "version": 2
  }
}