Pith Number

pith:3UF7DYTA

pith:2019:3UF7DYTAMZZKUMBECHBSQ4EVE7

not attested not anchored not stored refs pending

Dice Loss for Data-imbalanced NLP Tasks

Fei Wu, Jiwei Li, Junjun Liang, Xiaofei Sun, Xiaoya Li, Yuxian Meng

arxiv:1911.02855 v3 · 2019-11-07 · 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{3UF7DYTAMZZKUMBECHBSQ4EVE7}

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

2 papers in Pith

DynamicNER: A Dynamic, Multilingual, and Fine-Grained Dataset for LLM-based Named Entity Recognition

InCTRLv2: Generalist Residual Models for Few-Shot Anomaly Detection and Segmentation

Receipt and verification

First computed	2026-07-05T01:31:22.739728Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd0bf1e2606672aa302411c328709527c633a78faf7abff29c8f7a33496cd09c

Aliases

arxiv: 1911.02855 · arxiv_version: 1911.02855v3 · doi: 10.48550/arxiv.1911.02855 · pith_short_12: 3UF7DYTAMZZK · pith_short_16: 3UF7DYTAMZZKUMBE · pith_short_8: 3UF7DYTA

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/3UF7DYTAMZZKUMBECHBSQ4EVE7 \
  | 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: dd0bf1e2606672aa302411c328709527c633a78faf7abff29c8f7a33496cd09c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b45a6d8cbb5896a2fafbae2c81a79a3e84e2ddd07acfc4ce82b9147248834a44",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-11-07T11:14:05Z",
    "title_canon_sha256": "8cf120384ea1cbb8debe7da8370dff482daa923f5620b60fb33cdc64dc20a125"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.02855",
    "kind": "arxiv",
    "version": 3
  }
}