Pith Number

pith:KVVHBPZA

pith:2021:KVVHBPZAVPQDADRAGS4SUEXIFC

not attested not anchored not stored refs pending

MetaBalance: High-Performance Neural Networks for Class-Imbalanced Data

Arpit Bansal, Avi Schwarzschild, C. Bayan Bruss, Micah Goldblum, Tom Goldstein, Valeriia Cherepanova

arxiv:2106.09643 v1 · 2021-06-17 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KVVHBPZAVPQDADRAGS4SUEXIFC}

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	2026-07-05T02:50:18.220674Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

556a70bf20abe0300e2034b92a12e828bc55dd91068ae46d05f31c6213072627

Aliases

arxiv: 2106.09643 · arxiv_version: 2106.09643v1 · doi: 10.48550/arxiv.2106.09643 · pith_short_12: KVVHBPZAVPQD · pith_short_16: KVVHBPZAVPQDADRA · pith_short_8: KVVHBPZA

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/KVVHBPZAVPQDADRAGS4SUEXIFC \
  | 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: 556a70bf20abe0300e2034b92a12e828bc55dd91068ae46d05f31c6213072627

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "377d6a62c366bff70e68936aff6afcc3d37b22ec10b7913c52acb39cc94d2236",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2021-06-17T16:42:50Z",
    "title_canon_sha256": "b4881e75add485feeac5789dde17645a7296e24f7916b5c304f9a86dfa5372d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.09643",
    "kind": "arxiv",
    "version": 1
  }
}