Pith Number

pith:4QIN3ITV

pith:2026:4QIN3ITVC7KZ7NKWW5ROKNCRAX

not attested not anchored not stored refs pending

FedTopo: Relation-Level Topology Sharing for Model-Heterogeneous Federated Learning

Jing Wang, Lipo Wang, Xin Gao, Youfang Lin, Zhaoyang Ma, Zhihao Wu

arxiv:2607.26801 v1 · 2026-07-29 · cs.LG · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4QIN3ITVC7KZ7NKWW5ROKNCRAX}

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	2026-07-30T01:22:22.081506Z
Builder	pith-number-builder-2026-05-17-v1
Signature	unsigned_v0
Schema	pith-number/v1.0

Canonical hash

e410dda27517d59fb556b762e5345105db06cae10fed582b93e305f12f0f1d68

Aliases

arxiv: 2607.26801 · arxiv_version: 2607.26801v1 · doi: 10.48550/arxiv.2607.26801 · pith_short_12: 4QIN3ITVC7KZ · pith_short_16: 4QIN3ITVC7KZ7NKW · pith_short_8: 4QIN3ITV

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/4QIN3ITVC7KZ7NKWW5ROKNCRAX \
  | 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: e410dda27517d59fb556b762e5345105db06cae10fed582b93e305f12f0f1d68

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d72edb066012e802b7151b56d8fdce85de8c40ceb25010dd5c348d280db9f0a6",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-07-29T11:39:21Z",
    "title_canon_sha256": "2bcac3c69f632be7ec35889051412be992562233ce2e0a25847fd60f998bed7d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.26801",
    "kind": "arxiv",
    "version": 1
  }
}