Pith Number

pith:4AB5FSXX

pith:2025:4AB5FSXXMGOYLZIU7VR5ZEPBWA

not attested not anchored not stored refs pending

topicwizard -- a Modern, Model-agnostic Framework for Topic Model Visualization and Interpretation

Kenneth C. Enevoldsen, Kristoffer Laigaard Nielbo, M\'arton Kardos

arxiv:2505.13034 v1 · 2025-05-19 · 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{4AB5FSXXMGOYLZIU7VR5ZEPBWA}

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	2026-07-05T11:05:14.102830Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e003d2caf7619d85e514fd63dc91e1b02f2eb265915a8784ebc7fcb95d8d21e3

Aliases

arxiv: 2505.13034 · arxiv_version: 2505.13034v1 · doi: 10.48550/arxiv.2505.13034 · pith_short_12: 4AB5FSXXMGOY · pith_short_16: 4AB5FSXXMGOYLZIU · pith_short_8: 4AB5FSXX

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/4AB5FSXXMGOYLZIU7VR5ZEPBWA \
  | 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: e003d2caf7619d85e514fd63dc91e1b02f2eb265915a8784ebc7fcb95d8d21e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ffce4f8d12f126cec09b6acfb89748cc898c9569f32bdcfaab5994c32f0cb90",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-05-19T12:19:01Z",
    "title_canon_sha256": "ac60cb358d01ce63ae1f1a22960256553518e3f4deb90b991d9474a4fc03acf7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.13034",
    "kind": "arxiv",
    "version": 1
  }
}