Pith Number

pith:TPS2ZUUS

pith:2025:TPS2ZUUS5Y5MFX46VV4EUD743C

not attested not anchored not stored refs pending

Non-convex composite federated learning with heterogeneous data

Jiang Hu, Jiaojiao Zhang, Mikael Johansson

arxiv:2502.03958 v1 · 2025-02-06 · cs.LG · 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{TPS2ZUUS5Y5MFX46VV4EUD743C}

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.

Cited by

1 paper in Pith

Subspace Optimization for Efficient Federated Learning under Heterogeneous Data

Receipt and verification

First computed	2026-07-05T10:10:31.797449Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9be5acd292ee3ac2df9ead784a0ffcd88d93295ac72facb806e113ed53ee94e3

Aliases

arxiv: 2502.03958 · arxiv_version: 2502.03958v1 · doi: 10.48550/arxiv.2502.03958 · pith_short_12: TPS2ZUUS5Y5M · pith_short_16: TPS2ZUUS5Y5MFX46 · pith_short_8: TPS2ZUUS

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/TPS2ZUUS5Y5MFX46VV4EUD743C \
  | 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: 9be5acd292ee3ac2df9ead784a0ffcd88d93295ac72facb806e113ed53ee94e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "944da433032f9bc409887a2eb4f21bd45ac2ec0d39d34097e8e1cd27e2edd982",
    "cross_cats_sorted": [
      "cs.DC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-02-06T10:49:03Z",
    "title_canon_sha256": "6f111db5e9d28dd6818c10afb9c33d34918aa8fd3767100dc764bd52c66d0cb7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.03958",
    "kind": "arxiv",
    "version": 1
  }
}