Pith Number

pith:6W4U7CVJ

pith:2018:6W4U7CVJBJUFBZX63KQVNRYZZW

not attested not anchored not stored refs pending

An empirical evaluation of imbalanced data strategies from a practitioner's point of view

Jacques Wainer

arxiv:1810.07168 v2 · 2018-10-16 · 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{6W4U7CVJBJUFBZX63KQVNRYZZW}

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	2026-07-05T07:11:10.993336Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5b94f8aa90a6850e6fedaa156c719cd8de3899ee3f7582fbf445082bcc8d03a

Aliases

arxiv: 1810.07168 · arxiv_version: 1810.07168v2 · doi: 10.48550/arxiv.1810.07168 · pith_short_12: 6W4U7CVJBJUF · pith_short_16: 6W4U7CVJBJUFBZX6 · pith_short_8: 6W4U7CVJ

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/6W4U7CVJBJUFBZX63KQVNRYZZW \
  | 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: f5b94f8aa90a6850e6fedaa156c719cd8de3899ee3f7582fbf445082bcc8d03a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2ce9f52815c6545a8cbe814a9563208a4b8eb8170b6919d75953b630f871aee",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-10-16T17:50:31Z",
    "title_canon_sha256": "b09aba06c97c6c43a428d82c5c30422d508ec40f2fe6e769b395e466c8fb95df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.07168",
    "kind": "arxiv",
    "version": 2
  }
}