Pith Number

pith:EVLMJTDX

pith:2021:EVLMJTDXJVSPKGE6X2B6JQEFZL

not attested not anchored not stored refs pending

No Fear of Heterogeneity: Classifier Calibration for Federated Learning with Non-IID Data

Dapeng Hu, Fei Chen, Jian Liang, Jiashi Feng, Mi Luo, Yifan Zhang

arxiv:2106.05001 v2 · 2021-06-09 · cs.LG · cs.CV · cs.DC · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EVLMJTDXJVSPKGE6X2B6JQEFZL}

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	2026-07-05T03:26:41.974186Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2556c4cc774d64f5189ebe83e4c085caf6ec74a3e4dc97a33de996cc01df6892

Aliases

arxiv: 2106.05001 · arxiv_version: 2106.05001v2 · doi: 10.48550/arxiv.2106.05001 · pith_short_12: EVLMJTDXJVSP · pith_short_16: EVLMJTDXJVSPKGE6 · pith_short_8: EVLMJTDX

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/EVLMJTDXJVSPKGE6X2B6JQEFZL \
  | 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: 2556c4cc774d64f5189ebe83e4c085caf6ec74a3e4dc97a33de996cc01df6892

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d36284ad84c50819acf5798e3661a0e4c2d173094c210ef755b9defb89eb2e0a",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.DC",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-06-09T12:02:29Z",
    "title_canon_sha256": "097f0db611ea79450df895ea65b3c506b0dc0005934bd8149a83560e56f7ab25"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.05001",
    "kind": "arxiv",
    "version": 2
  }
}