Pith Number

pith:V4A6WPEM

pith:2020:V4A6WPEMZWH4U7KH62W7SDN7H6

not attested not anchored not stored refs pending

Data Augmentation Imbalance For Imbalanced Attribute Classification

Fanhua Shang, Pan Zhou, ShengMei Shen, Xiaying Bai, Yang Hu

arxiv:2004.13628 v3 · 2020-04-19 · 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{V4A6WPEMZWH4U7KH62W7SDN7H6}

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	2026-07-05T01:04:49.128926Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af01eb3c8ccd8fca7d47f6adf90dbf3fa05843f4c14775dae24ee9a5a2d884db

Aliases

arxiv: 2004.13628 · arxiv_version: 2004.13628v3 · doi: 10.48550/arxiv.2004.13628 · pith_short_12: V4A6WPEMZWH4 · pith_short_16: V4A6WPEMZWH4U7KH · pith_short_8: V4A6WPEM

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/V4A6WPEMZWH4U7KH62W7SDN7H6 \
  | 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: af01eb3c8ccd8fca7d47f6adf90dbf3fa05843f4c14775dae24ee9a5a2d884db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a957f7a80211825e722f8dc2edd64579410a706f1906e9fd619e8326996e52c9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-04-19T20:43:29Z",
    "title_canon_sha256": "b3bb9676bccd24772b5b7baa02cf2a499c035aeaf38719c196cfd1270ef83b4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.13628",
    "kind": "arxiv",
    "version": 3
  }
}