Pith Number

pith:YTLCZC2M

pith:2022:YTLCZC2MG4RBULRE2BXPI7UN6T

not attested not anchored not stored refs pending

Topic Taxonomy Expansion via Hierarchy-Aware Topic Phrase Generation

Dongha Lee, HwanJo Yu, Jiaming Shen, Jiawei Han, Seonghyeon Lee, Susik Yoon

arxiv:2211.01981 v1 · 2022-10-18 · cs.CL · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YTLCZC2MG4RBULRE2BXPI7UN6T}

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.

Cited by

1 paper in Pith

Constrained Non-negative Matrix Factorization for Guided Topic Modeling of Minority Topics

Receipt and verification

First computed	2026-07-05T05:13:02.238677Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4d62c8b4c37221a2e24d06ef47e8df4ef1aff0ccc948e6564b9f22b9f54d9ee

Aliases

arxiv: 2211.01981 · arxiv_version: 2211.01981v1 · doi: 10.48550/arxiv.2211.01981 · pith_short_12: YTLCZC2MG4RB · pith_short_16: YTLCZC2MG4RBULRE · pith_short_8: YTLCZC2M

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/YTLCZC2MG4RBULRE2BXPI7UN6T \
  | 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: c4d62c8b4c37221a2e24d06ef47e8df4ef1aff0ccc948e6564b9f22b9f54d9ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c38439045d4dc034917753a95a67761d5c2aebf13657f95036521effa89f1571",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2022-10-18T22:38:49Z",
    "title_canon_sha256": "8a9b4bb5c906d599b2d51262008a18d5ed804bfadbf776134dd5e3f0e196491f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.01981",
    "kind": "arxiv",
    "version": 1
  }
}