Pith Number

pith:PB7MQVHR

pith:2025:PB7MQVHRRWL5W46BQLZPDKCDGH

not attested not anchored not stored refs pending

A Semi-Supervised Federated Learning Framework with Hierarchical Clustering Aggregation for Heterogeneous Satellite Networks

Jiong Jin, Qiushi Zheng, Tiehua Zhang, Zheng Lei, Zhishu Shen, Zhuocheng Liu

arxiv:2507.22339 v1 · 2025-07-30 · cs.DC · 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{PB7MQVHRRWL5W46BQLZPDKCDGH}

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	2026-07-05T11:45:39.538403Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

787ec854f18d97db73c182f2f1a84331dfbdf9b9fdaf3d3be55afcc34b24bf04

Aliases

arxiv: 2507.22339 · arxiv_version: 2507.22339v1 · doi: 10.48550/arxiv.2507.22339 · pith_short_12: PB7MQVHRRWL5 · pith_short_16: PB7MQVHRRWL5W46B · pith_short_8: PB7MQVHR

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/PB7MQVHRRWL5W46BQLZPDKCDGH \
  | 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: 787ec854f18d97db73c182f2f1a84331dfbdf9b9fdaf3d3be55afcc34b24bf04

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "210d0dfc3c9a9473a1d1e6927d02c4ce524f3fb2802ab8be48ba832b6b637046",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2025-07-30T02:47:14Z",
    "title_canon_sha256": "224a225fce3c08a6e3483502552f151da74707137198662510286b3201547d09"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.22339",
    "kind": "arxiv",
    "version": 1
  }
}