Pith Number

pith:BOS23SST

pith:2021:BOS23SST4IVXSFTKKQPXAH2ULG

not attested not anchored not stored refs pending

Local Learning Matters: Rethinking Data Heterogeneity in Federated Learning

Chen Chen, Matias Mendieta, Minwoo Lee, Pu Wang, Taojiannan Yang, Zhengming Ding

arxiv:2111.14213 v3 · 2021-11-28 · cs.LG · cs.CV · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BOS23SST4IVXSFTKKQPXAH2ULG}

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	2026-07-05T04:14:40.141003Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ba5adca53e22b79166a541f701f5459acfb35db71469f7cac286a0bff1bcfb4

Aliases

arxiv: 2111.14213 · arxiv_version: 2111.14213v3 · doi: 10.48550/arxiv.2111.14213 · pith_short_12: BOS23SST4IVX · pith_short_16: BOS23SST4IVXSFTK · pith_short_8: BOS23SST

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/BOS23SST4IVXSFTKKQPXAH2ULG \
  | 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: 0ba5adca53e22b79166a541f701f5459acfb35db71469f7cac286a0bff1bcfb4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fcc0e72109ed01890bef2dbd990062c24ee78dbf673a96959e073e4c1a7061a7",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.DC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-11-28T19:03:39Z",
    "title_canon_sha256": "a54bc2b4be54064c3b7d28990a7b1884e0fa34558d12de67943f569e8c92d5df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.14213",
    "kind": "arxiv",
    "version": 3
  }
}