Pith Number

pith:WTKMZB33

pith:2022:WTKMZB337DDV3UWUDDLSFEJKDC

not attested not anchored not stored refs pending

Incorporating Hierarchy into Text Encoder: a Contrastive Learning Approach for Hierarchical Text Classification

Houfeng Wang, Lianzhe Huang, Peiyi Wang, Xin Sun, Zihan Wang

arxiv:2203.03825 v2 · 2022-03-08 · cs.CL

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WTKMZB337DDV3UWUDDLSFEJKDC}

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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

SCHK-HTC: Sibling Contrastive Learning with Hierarchical Knowledge-Aware Prompt Tuning for Hierarchical Text Classification

Receipt and verification

First computed	2026-07-05T04:07:44.125696Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4d4cc877bf8c75dd2d418d722912a1898fbc9d740bfdebccd13e17ae01d3f0b

Aliases

arxiv: 2203.03825 · arxiv_version: 2203.03825v2 · doi: 10.48550/arxiv.2203.03825 · pith_short_12: WTKMZB337DDV · pith_short_16: WTKMZB337DDV3UWU · pith_short_8: WTKMZB33

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/WTKMZB337DDV3UWUDDLSFEJKDC \
  | 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: b4d4cc877bf8c75dd2d418d722912a1898fbc9d740bfdebccd13e17ae01d3f0b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b8fa18ad0625c042dc1a133f9713f8e0272776f02ac31c3e801322e19d860b1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2022-03-08T03:21:45Z",
    "title_canon_sha256": "639d6d69233833e36d093b93839a5c02fa1e30a10b4de0e858d475ac99770aa5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.03825",
    "kind": "arxiv",
    "version": 2
  }
}