Pith Number

pith:RBBNVLCP

pith:2025:RBBNVLCPWB7I7WLVHP76PAJROM

not attested not anchored not stored refs pending

Ustnlp16 at SemEval-2025 Task 9: Improving Model Performance through Imbalance Handling and Focal Loss

Liyuan Guo, Yang Liu, Yangqiu Song, Zhenghao Li, Zhuoang Cai

arxiv:2505.00021 v1 · 2025-04-24 · 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{RBBNVLCPWB7I7WLVHP76PAJROM}

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	2026-07-05T10:56:40.574640Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8842daac4fb07e8fd9753bffe781317310b4674ed29744cfd4cbadd0b383cccf

Aliases

arxiv: 2505.00021 · arxiv_version: 2505.00021v1 · doi: 10.48550/arxiv.2505.00021 · pith_short_12: RBBNVLCPWB7I · pith_short_16: RBBNVLCPWB7I7WLV · pith_short_8: RBBNVLCP

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/RBBNVLCPWB7I7WLVHP76PAJROM \
  | 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: 8842daac4fb07e8fd9753bffe781317310b4674ed29744cfd4cbadd0b383cccf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d4dfa631c64f31c20bd5e0022c6a860f28a91514c1244e48d66793d24710ea2",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-04-24T16:35:44Z",
    "title_canon_sha256": "565849b298224c9598c8247d32a673f3f6a6d187c04f50c7e48e9f5accc796ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.00021",
    "kind": "arxiv",
    "version": 1
  }
}