Pith Number

pith:7TIFPEYV

pith:2025:7TIFPEYVUIF77OXZ3LGBSNNHWA

not attested not anchored not stored refs pending

FCKT: Fine-Grained Cross-Task Knowledge Transfer with Semantic Contrastive Learning for Targeted Sentiment Analysis

Fuzhen Zhuang, Kepeng Xu, Meng Yuan, Wei Chen, Zhao Zhang

arxiv:2505.21040 v2 · 2025-05-27 · 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{7TIFPEYVUIF77OXZ3LGBSNNHWA}

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	2026-07-05T11:10:58.858793Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fcd0579315a20bffbaf9dacc1935a7b017dd6019ed1b2ec31117054ea0052189

Aliases

arxiv: 2505.21040 · arxiv_version: 2505.21040v2 · doi: 10.48550/arxiv.2505.21040 · pith_short_12: 7TIFPEYVUIF7 · pith_short_16: 7TIFPEYVUIF77OXZ · pith_short_8: 7TIFPEYV

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/7TIFPEYVUIF77OXZ3LGBSNNHWA \
  | 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: fcd0579315a20bffbaf9dacc1935a7b017dd6019ed1b2ec31117054ea0052189

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8327697ec2bb9bde4fd5390f3f8b8e1a2f32323f2d41a204631e918681581241",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-05-27T11:23:53Z",
    "title_canon_sha256": "a6a01b12c453d3e3baf9cca9a85b98d595fe6d1fd71bb8b35487d4b87ce6037d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.21040",
    "kind": "arxiv",
    "version": 2
  }
}