Pith Number

pith:NKIDECBW

pith:2021:NKIDECBW4D66Z3JBSRDQGVTO7E

not attested not anchored not stored refs pending

Statistical Estimation and Inference via Local SGD in Federated Learning

Jiadong Liang, Xiang Li, Xiangyu Chang, Zhihua Zhang

arxiv:2109.01326 v2 · 2021-09-03 · stat.ML · 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{NKIDECBW4D66Z3JBSRDQGVTO7E}

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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.

Cited by

1 paper in Pith

Online Covariance Matrix Estimation in Sketched Newton Methods

Receipt and verification

First computed	2026-07-05T03:41:40.475935Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a90320836e0fdeced21944703566ef9253bcbe6842ab2e6452e1c8cacb09031

Aliases

arxiv: 2109.01326 · arxiv_version: 2109.01326v2 · doi: 10.48550/arxiv.2109.01326 · pith_short_12: NKIDECBW4D66 · pith_short_16: NKIDECBW4D66Z3JB · pith_short_8: NKIDECBW

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/NKIDECBW4D66Z3JBSRDQGVTO7E \
  | 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: 6a90320836e0fdeced21944703566ef9253bcbe6842ab2e6452e1c8cacb09031

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2526d1c3eda7aae61932a0649b91a25650a5e5d6e7703d08b87a6a0227d9e116",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2021-09-03T06:02:19Z",
    "title_canon_sha256": "8b7361479bdf99d21fc16763093002a17eaffe50b88cc73207d75b1d2d3b56c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.01326",
    "kind": "arxiv",
    "version": 2
  }
}