Pith Number

pith:5DHM2FSH

pith:2021:5DHM2FSHWHGR3MOANLF5GI5VJL

not attested not anchored not stored refs pending

On the combined effect of class imbalance and concept complexity in deep learning

Bartosz Krawczyk, Colin Bellinger, Kushankur Ghosh, Nathalie Japkowicz, Roberto Corizzo

arxiv:2107.14194 v1 · 2021-07-29 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5DHM2FSHWHGR3MOANLF5GI5VJL}

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	2026-07-05T03:01:45.128434Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8cecd1647b1cd1db1c06acbd323b54ad5a4cec03f186c5dc6bd80eb43969122

Aliases

arxiv: 2107.14194 · arxiv_version: 2107.14194v1 · doi: 10.48550/arxiv.2107.14194 · pith_short_12: 5DHM2FSHWHGR · pith_short_16: 5DHM2FSHWHGR3MOA · pith_short_8: 5DHM2FSH

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/5DHM2FSHWHGR3MOANLF5GI5VJL \
  | 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: e8cecd1647b1cd1db1c06acbd323b54ad5a4cec03f186c5dc6bd80eb43969122

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd473e5b8b9c254695e7e23b27958b7ea466affaf5bf042cf90b5bd1caec21f5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-07-29T17:30:00Z",
    "title_canon_sha256": "8179400d56c4fad236969df9196a36d33ca55b763a21a8766eec45018670a0f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.14194",
    "kind": "arxiv",
    "version": 1
  }
}