Pith Number

pith:KF5H3S3Y

pith:2026:KF5H3S3YPXA2ZVHHON4LDFSHR5

not attested not anchored not stored refs pending

Federated Learning with Incomplete Data: When to Use Complete Cases and When to Weight

Chad Hochberg, Elizabeth A. Stuart, Jason Akulian, Jesus E. Vazquez, Jiayi Tong, Theodore J. Iwashyna, Yicheng Shen

arxiv:2605.20125 v1 · 2026-05-19 · stat.ME · math.ST · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KF5H3S3YPXA2ZVHHON4LDFSHR5}

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	2026-05-20T02:06:03.205859Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

517a7dcb787dc1acd4e77378b196478f53755d7100beea92842f2e640cb4f85c

Aliases

arxiv: 2605.20125 · arxiv_version: 2605.20125v1 · doi: 10.48550/arxiv.2605.20125 · pith_short_12: KF5H3S3YPXA2 · pith_short_16: KF5H3S3YPXA2ZVHH · pith_short_8: KF5H3S3Y

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/KF5H3S3YPXA2ZVHHON4LDFSHR5 \
  | 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: 517a7dcb787dc1acd4e77378b196478f53755d7100beea92842f2e640cb4f85c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d911d636a32e03a0cd2bacc9686fa7ac104049800d4a09bfdd4d0b1817d31826",
    "cross_cats_sorted": [
      "math.ST",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2026-05-19T17:12:37Z",
    "title_canon_sha256": "716b0e2f49a3d3ff97bf74878ec748710252528f11ebef57b89d20200dbe2016"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.20125",
    "kind": "arxiv",
    "version": 1
  }
}