Pith Number

pith:Z5CNCVF3

pith:2021:Z5CNCVF3C5C4KD2FL2EDWNK2M6

not attested not anchored not stored refs pending

Representation Learning for Short Text Clustering

Guangyan Huang, Hui Yin, Jianxin Li, Shuiqiao Yang, Xiangyu Song

arxiv:2109.09894 v1 · 2021-09-21 · 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{Z5CNCVF3C5C4KD2FL2EDWNK2M6}

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	2026-07-05T03:15:55.559389Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf44d154bb1745c50f455e883b355a67892ba03a2cd65bfd43b10edfe3a53eaf

Aliases

arxiv: 2109.09894 · arxiv_version: 2109.09894v1 · doi: 10.48550/arxiv.2109.09894 · pith_short_12: Z5CNCVF3C5C4 · pith_short_16: Z5CNCVF3C5C4KD2F · pith_short_8: Z5CNCVF3

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/Z5CNCVF3C5C4KD2FL2EDWNK2M6 \
  | 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: cf44d154bb1745c50f455e883b355a67892ba03a2cd65bfd43b10edfe3a53eaf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c688c1701ffa37176ecf440414133cb74dadda1c1e0e1686b42d6a585664b952",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-09-21T00:30:24Z",
    "title_canon_sha256": "4050a1a3e88243627b07287ddff44cada111ebab29f88a9ada0d194520ca53a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.09894",
    "kind": "arxiv",
    "version": 1
  }
}