Pith Number

pith:7RXW3HUD

pith:2025:7RXW3HUDQLI3XHPH747IG4MMIS

not attested not anchored not stored refs pending

A Survey on Small Sample Imbalance Problem: Metrics, Feature Analysis, and Solutions

Baosheng Yu, James Tin-Yau Kwok, Jie Gui, Lu Dong, Minjing Dong, Shuxian Zhao, Yuan Yan Tang, Zhipeng Gui

arxiv:2504.14800 v1 · 2025-04-21 · cs.LG · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7RXW3HUDQLI3XHPH747IG4MMIS}

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	2026-07-05T10:51:50.644352Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc6f6d9e8382d1bb9de7ff3e83718c44badf1d698f41ce652aad1750bff63b34

Aliases

arxiv: 2504.14800 · arxiv_version: 2504.14800v1 · doi: 10.48550/arxiv.2504.14800 · pith_short_12: 7RXW3HUDQLI3 · pith_short_16: 7RXW3HUDQLI3XHPH · pith_short_8: 7RXW3HUD

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/7RXW3HUDQLI3XHPH747IG4MMIS \
  | 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: fc6f6d9e8382d1bb9de7ff3e83718c44badf1d698f41ce652aad1750bff63b34

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da9bb1505e22323224224a1ecba2deb0154a9768b90174b75fe28f113d76965e",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-04-21T01:58:29Z",
    "title_canon_sha256": "2cadd831b587976b31e063e4ee67c535b2f96e6923bbfd4bd87ce083d8b1e3d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.14800",
    "kind": "arxiv",
    "version": 1
  }
}