Pith Number

pith:URFXRY6Y

pith:2025:URFXRY6Y7Q44E27PKP3W4GQKIL

not attested not anchored not stored refs pending

Methodological Rigour in Algorithm Application: An Illustration of Topic Modelling Algorithm

Malmi Amadoru

arxiv:2507.00547 v1 · 2025-07-01 · 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{URFXRY6Y7Q44E27PKP3W4GQKIL}

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	2026-07-05T11:30:10.607669Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a44b78e3d8fc39c26bef53f76e1a0a42f1e9eaa96309f6ba54f25c73c3ff63c4

Aliases

arxiv: 2507.00547 · arxiv_version: 2507.00547v1 · doi: 10.48550/arxiv.2507.00547 · pith_short_12: URFXRY6Y7Q44 · pith_short_16: URFXRY6Y7Q44E27P · pith_short_8: URFXRY6Y

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/URFXRY6Y7Q44E27PKP3W4GQKIL \
  | 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: a44b78e3d8fc39c26bef53f76e1a0a42f1e9eaa96309f6ba54f25c73c3ff63c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c50276de7b111712b17852babec659f7c378d5194cf27d5afb35bbb5f6d58284",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-07-01T08:11:07Z",
    "title_canon_sha256": "faf4cda074b3752eddd74e670c578bdcc4835bcb79b1b6493baf15ce194f6beb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.00547",
    "kind": "arxiv",
    "version": 1
  }
}