Pith Number

pith:6WAXBAFH

pith:2021:6WAXBAFHZ2Y6QLU7FW3O26VCH3

not attested not anchored not stored refs pending

Achieving Model Fairness in Vertical Federated Learning

Changxin Liu, Jian Pei, Lingyang Chu, Yang Shi, Yong Zhang, Zhenan Fan, Zirui Zhou

arxiv:2109.08344 v3 · 2021-09-17 · cs.LG · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6WAXBAFHZ2Y6QLU7FW3O26VCH3}

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	2026-07-05T04:54:46.787700Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5817080a7ceb1e82e9f2db6ed7aa23ef4e4ff78ccc0971d990f35919831d218

Aliases

arxiv: 2109.08344 · arxiv_version: 2109.08344v3 · doi: 10.48550/arxiv.2109.08344 · pith_short_12: 6WAXBAFHZ2Y6 · pith_short_16: 6WAXBAFHZ2Y6QLU7 · pith_short_8: 6WAXBAFH

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/6WAXBAFHZ2Y6QLU7FW3O26VCH3 \
  | 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: f5817080a7ceb1e82e9f2db6ed7aa23ef4e4ff78ccc0971d990f35919831d218

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d8635929c7c2c9cff9521fb6846879330a1677d4b6d608de0cd116327ab5f6b",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-09-17T04:40:11Z",
    "title_canon_sha256": "7e7e1db081ac6e7cb13b5446bc73668a304fec8d3def4e462a650992d52abaa4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.08344",
    "kind": "arxiv",
    "version": 3
  }
}