Pith Number

pith:UJ6SRJAS

pith:2023:UJ6SRJAS4JYYX7BFNMJQH2RFDX

not attested not anchored not stored refs pending

Topic model based on co-occurrence word networks for unbalanced short text datasets

Chengjie Ma, Junping Du, Meiyu Liang, Zeli Guan

arxiv:2311.02566 v1 · 2023-11-05 · 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{UJ6SRJAS4JYYX7BFNMJQH2RFDX}

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	2026-07-05T07:09:14.880225Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a27d28a412e2718bfc256b1303ea251dca6d0bfea1b24edc96b47e419405eaf1

Aliases

arxiv: 2311.02566 · arxiv_version: 2311.02566v1 · doi: 10.48550/arxiv.2311.02566 · pith_short_12: UJ6SRJAS4JYY · pith_short_16: UJ6SRJAS4JYYX7BF · pith_short_8: UJ6SRJAS

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/UJ6SRJAS4JYYX7BFNMJQH2RFDX \
  | 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: a27d28a412e2718bfc256b1303ea251dca6d0bfea1b24edc96b47e419405eaf1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a84554096b02ff39032b1186d361f2e2767cfdc538ab321a0fc0d90ba3657214",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2023-11-05T04:44:23Z",
    "title_canon_sha256": "7a3e141e0d78be2d05c5d728009f6a752401f08c828d68fa0ea8d0db5754db9c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2311.02566",
    "kind": "arxiv",
    "version": 1
  }
}