Pith Number

pith:K6Z7S775

pith:2026:K6Z7S77557JUQAVHFWOEJ7IJTP

not attested not anchored not stored refs pending

DP-FedSOFIM: Differentially Private Federated Stochastic Optimization using Regularized Fisher Information Matrix

Mrinmay Sen, Sayantan Banerjee, Sidhant Nair, Tanmay Sen

arxiv:2601.09166 v3 · 2026-01-14 · cs.LG · cs.CR · 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{K6Z7S77557JUQAVHFWOEJ7IJTP}

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	2026-06-23T02:12:45.890193Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57b3f97ffdefd34802a72d9c44fd099bde484e78b6bce320c98631c768bbb4ff

Aliases

arxiv: 2601.09166 · arxiv_version: 2601.09166v3 · doi: 10.48550/arxiv.2601.09166 · pith_short_12: K6Z7S77557JU · pith_short_16: K6Z7S77557JUQAVH · pith_short_8: K6Z7S775

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/K6Z7S77557JUQAVHFWOEJ7IJTP \
  | 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: 57b3f97ffdefd34802a72d9c44fd099bde484e78b6bce320c98631c768bbb4ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "586d032624b995227e2c8e39e49f11a0b111a4727e22819f074c880a06b5a236",
    "cross_cats_sorted": [
      "cs.CR",
      "cs.DC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-01-14T05:11:28Z",
    "title_canon_sha256": "f7d17822b618a945338dc5c9f6659c8bc2b22d8b6d4a0aa6d15080c419a37c28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.09166",
    "kind": "arxiv",
    "version": 3
  }
}