Pith Number

pith:474YOIS3

pith:2025:474YOIS3KZM3JXC7HZP2NYMJIL

not attested not anchored not stored refs pending

OFL: Opportunistic Federated Learning for Resource-Heterogeneous and Privacy-Aware Devices

Chengxi Li, Hanning Xia, Haoyu Bian, Jingyu Hua, Mingyang Niu, Sheng Zhong, Yuan Zhang, Yuejuan Zhu, Yunlong Mao, Ziqin Dang

arxiv:2503.15015 v1 · 2025-03-19 · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{474YOIS3KZM3JXC7HZP2NYMJIL}

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	2026-07-05T10:34:29.713721Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7f987225b5659b4dc5f3e5fa6e18942d015fc0b42968f65d3e2af882de315bf

Aliases

arxiv: 2503.15015 · arxiv_version: 2503.15015v1 · doi: 10.48550/arxiv.2503.15015 · pith_short_12: 474YOIS3KZM3 · pith_short_16: 474YOIS3KZM3JXC7 · pith_short_8: 474YOIS3

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/474YOIS3KZM3JXC7HZP2NYMJIL \
  | 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: e7f987225b5659b4dc5f3e5fa6e18942d015fc0b42968f65d3e2af882de315bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64f0705e46f78576379b0fe233fa6d3f58eb39ae342465e3739644ae4701099d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2025-03-19T09:12:47Z",
    "title_canon_sha256": "fdddbf2a03fd7fcb2a5e9e93639d254b0720af0edc1c05b70edbb6342153a9c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.15015",
    "kind": "arxiv",
    "version": 1
  }
}