Pith Number

pith:F4RAHCRW

pith:2022:F4RAHCRWYOKD7NNMW5XERFVACI

not attested not anchored not stored refs pending

UMIX: Improving Importance Weighting for Subpopulation Shift via Uncertainty-Aware Mixup

Bingzhe Wu, Changqing Zhang, Fan Yang, Jianhua Yao, Lanqing Li, Liu Liu, Peilin Zhao, Yatao Bian, Zhipeng Liang, Zongbo Han

arxiv:2209.08928 v3 · 2022-09-19 · 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{F4RAHCRWYOKD7NNMW5XERFVACI}

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	2026-07-05T05:29:54.382257Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f22038a36c3943fb5acb76e4896a0123bd31820978f7030d20a10c230ecd4f4

Aliases

arxiv: 2209.08928 · arxiv_version: 2209.08928v3 · doi: 10.48550/arxiv.2209.08928 · pith_short_12: F4RAHCRWYOKD · pith_short_16: F4RAHCRWYOKD7NNM · pith_short_8: F4RAHCRW

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/F4RAHCRWYOKD7NNMW5XERFVACI \
  | 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: 2f22038a36c3943fb5acb76e4896a0123bd31820978f7030d20a10c230ecd4f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b283a08893fccef7b5e1237b576300da1f844f069e64932b769cdaba9dc442c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-09-19T11:22:28Z",
    "title_canon_sha256": "c315ee9a5fa1ac74586d8c67b1dde5fd2bf30c407654af42d28afb0101db98a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2209.08928",
    "kind": "arxiv",
    "version": 3
  }
}