Pith Number

pith:ACESX7JK

pith:2026:ACESX7JKUFXRAJF3PLEALWXLKO

not attested not anchored not stored refs pending

Disentangling Similarity and Relatedness in Topic Models

Hanlin Xiao, Mauricio A. \'Alvarez, Rainer Breitling, Yang Wang

arxiv:2603.10619 v2 · 2026-03-11 · 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{ACESX7JKUFXRAJF3PLEALWXLKO}

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	2026-06-02T02:04:52.245561Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

00892bfd2aa16f1024bb7ac805daeb53a1b9d9dc14a355f88bf202f65d837411

Aliases

arxiv: 2603.10619 · arxiv_version: 2603.10619v2 · doi: 10.48550/arxiv.2603.10619 · pith_short_12: ACESX7JKUFXR · pith_short_16: ACESX7JKUFXRAJF3 · pith_short_8: ACESX7JK

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/ACESX7JKUFXRAJF3PLEALWXLKO \
  | 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: 00892bfd2aa16f1024bb7ac805daeb53a1b9d9dc14a355f88bf202f65d837411

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc80b173f199f3a03c77764ae04cdf7905c3b8cbecc64a14f3959af404d822ed",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-03-11T10:27:43Z",
    "title_canon_sha256": "03e0480765aab6c0e2b9e5909d30706dc815f50517b3eabf3dbcffefbc56215e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.10619",
    "kind": "arxiv",
    "version": 2
  }
}