Pith Number

pith:3XASDSS4

pith:2025:3XASDSS4HTEYAMI7IUBQOD6DZA

not attested not anchored not stored refs pending

Towards Collaborative Fairness in Federated Learning Under Imbalanced Covariate Shift

Fenglong Ma, Han Liu, Haoyu Wang, Jiaqi Wang, Mingquan Lin, Nelson S. Yee, Tianrun Yu

arxiv:2507.08617 v1 · 2025-07-11 · cs.LG · 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{3XASDSS4HTEYAMI7IUBQOD6DZA}

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	2026-07-05T11:35:43.435120Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ddc121ca5c3cc980311f4503070fc3c832097da85ed7998e5d3e503103106d52

Aliases

arxiv: 2507.08617 · arxiv_version: 2507.08617v1 · doi: 10.48550/arxiv.2507.08617 · pith_short_12: 3XASDSS4HTEY · pith_short_16: 3XASDSS4HTEYAMI7 · pith_short_8: 3XASDSS4

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/3XASDSS4HTEYAMI7IUBQOD6DZA \
  | 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: ddc121ca5c3cc980311f4503070fc3c832097da85ed7998e5d3e503103106d52

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79f9657a06f604861315b146567777837525d5f62c2b9b605c8f651ccdc3cc3d",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-07-11T14:13:41Z",
    "title_canon_sha256": "2bc2a132eaa16a805839102e7881c97f1701628cf6a6514618cf27b06b040757"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.08617",
    "kind": "arxiv",
    "version": 1
  }
}