Pith Number

pith:SVLR2QKI

pith:2026:SVLR2QKIMOEGQKE34GK6CD2LST

not attested not anchored not stored refs pending

A Comparative Evaluation of Structural Topic Models and BERTopic for Short, Open-Ended Survey Responses

Philip A. Fisher, Sihong Liu, Yan Jiang

arxiv:2605.23093 v1 · 2026-05-21 · cs.CL · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SVLR2QKIMOEGQKE34GK6CD2LST}

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	2026-05-25T02:01:37.957506Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95571d4148638868289be195e10f4b94f099324e15a77aec9603926f0940d852

Aliases

arxiv: 2605.23093 · arxiv_version: 2605.23093v1 · doi: 10.48550/arxiv.2605.23093 · pith_short_12: SVLR2QKIMOEG · pith_short_16: SVLR2QKIMOEGQKE3 · pith_short_8: SVLR2QKI

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/SVLR2QKIMOEGQKE34GK6CD2LST \
  | 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: 95571d4148638868289be195e10f4b94f099324e15a77aec9603926f0940d852

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05df48ec9478ca1d131b968f3b7829afe918f5c77d625fdb3ba26516f4aa71e2",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-05-21T23:00:40Z",
    "title_canon_sha256": "f60e1845d290c69a2d8180f1b10274be67d6a3facb6d88f2f316bb3e33edf8d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.23093",
    "kind": "arxiv",
    "version": 1
  }
}