Pith Number

pith:KJRBPXSN

pith:2019:KJRBPXSNAA3RYEHOE2C3QR2CLA

not attested not anchored not stored refs pending

Imbalance-XGBoost: Leveraging Weighted and Focal Losses for Binary Label-Imbalanced Classification with XGBoost

Chengyuan Deng, Chen Wang, Suzhen Wang

arxiv:1908.01672 v2 · 2019-08-05 · cs.LG · stat.ML

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KJRBPXSNAA3RYEHOE2C3QR2CLA}

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	2026-07-05T03:07:42.081015Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

526217de4d00371c10ee2685b84742580d0a5aac885a57b3131386c41f876a4d

Aliases

arxiv: 1908.01672 · arxiv_version: 1908.01672v2 · doi: 10.48550/arxiv.1908.01672 · pith_short_12: KJRBPXSNAA3R · pith_short_16: KJRBPXSNAA3RYEHO · pith_short_8: KJRBPXSN

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/KJRBPXSNAA3RYEHOE2C3QR2CLA \
  | 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: 526217de4d00371c10ee2685b84742580d0a5aac885a57b3131386c41f876a4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "059e11bd5c9d095e43e27c5fdec84cc6b412f2bc450a26783fb8453fd889d0a1",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-08-05T15:01:28Z",
    "title_canon_sha256": "057a0a3414d19707af389e4ba97a760913c8bae020b8f4f50777395a20290db4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.01672",
    "kind": "arxiv",
    "version": 2
  }
}