Pith Number

pith:T65DPFU2

pith:2025:T65DPFU2YTZL3LQMF3NT5K2FVL

not attested not anchored not stored refs pending

X-VFL: A New Vertical Federated Learning Framework with Cross Completion and Decision Subspace Alignment

Qinghua Yao, XiangRui Xu, Zhize Li

arxiv:2508.05568 v2 · 2025-08-07 · cs.LG · cs.CV · cs.DC · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T65DPFU2YTZL3LQMF3NT5K2FVL}

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	2026-07-05T11:50:40.573199Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9fba37969ac4f2bdae0c2edb3eab45aac71c3feb558ab858b458148e866064d9

Aliases

arxiv: 2508.05568 · arxiv_version: 2508.05568v2 · doi: 10.48550/arxiv.2508.05568 · pith_short_12: T65DPFU2YTZL · pith_short_16: T65DPFU2YTZL3LQM · pith_short_8: T65DPFU2

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/T65DPFU2YTZL3LQMF3NT5K2FVL \
  | 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: 9fba37969ac4f2bdae0c2edb3eab45aac71c3feb558ab858b458148e866064d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f9d84902273133691024e63aa333bd0a373cf52868944144c38b099cfde3a92",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.DC",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-08-07T17:00:47Z",
    "title_canon_sha256": "0b07d194f1d1f803da12f939c0cc97bc0a42b82177794e7ed58ef61593007256"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.05568",
    "kind": "arxiv",
    "version": 2
  }
}