Pith Number

pith:UBMNY2GI

pith:2025:UBMNY2GIZ7PXQV4CUVDOQBYRWY

not attested not anchored not stored refs pending

Stratify: Rethinking Federated Learning for Non-IID Data through Balanced Sampling

Chee Kau Lim, Chee Seng Chan, Hui Yeok Wong

arxiv:2504.13462 v1 · 2025-04-18 · 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{UBMNY2GIZ7PXQV4CUVDOQBYRWY}

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	2026-07-05T10:50:55.643038Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a058dc68c8cfdf785782a546e80711b61c4abc0b36168e18d30223796c9a9dc3

Aliases

arxiv: 2504.13462 · arxiv_version: 2504.13462v1 · doi: 10.48550/arxiv.2504.13462 · pith_short_12: UBMNY2GIZ7PX · pith_short_16: UBMNY2GIZ7PXQV4C · pith_short_8: UBMNY2GI

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/UBMNY2GIZ7PXQV4CUVDOQBYRWY \
  | 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: a058dc68c8cfdf785782a546e80711b61c4abc0b36168e18d30223796c9a9dc3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c47c03efb36cd76f6cfa53b33d81082f78e6ebae2d7003ba0ac456bb968d402",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-04-18T04:44:41Z",
    "title_canon_sha256": "1ece80166c2094f6653cfb168d9f28983f97f3eb8b94be7efaf3d2607805a161"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.13462",
    "kind": "arxiv",
    "version": 1
  }
}