Pith Number

pith:HJGCWNOE

pith:2020:HJGCWNOEDJUODRAVCKQEZT4LMM

not attested not anchored not stored refs pending

Privacy Preserving PCA for Multiparty Modeling

Chaochao Chen, Guiquan Liu, Jun Zhou, Li Wang, Longfei Zheng, Shuang Yang, Yingting Liu

arxiv:2002.02091 v3 · 2020-02-06 · cs.CR · 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{HJGCWNOEDJUODRAVCKQEZT4LMM}

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.

Cited by

1 paper in Pith

HADES: Privacy-Preserving Federated Learning via Selective Feature Encryption and Hybrid Model Fusion

Receipt and verification

First computed	2026-07-05T00:47:29.260114Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a4c2b35c41a68e1c41512a04ccf8b6338291a857453d8344b8b8ef0c40caa84

Aliases

arxiv: 2002.02091 · arxiv_version: 2002.02091v3 · doi: 10.48550/arxiv.2002.02091 · pith_short_12: HJGCWNOEDJUO · pith_short_16: HJGCWNOEDJUODRAV · pith_short_8: HJGCWNOE

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/HJGCWNOEDJUODRAVCKQEZT4LMM \
  | 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: 3a4c2b35c41a68e1c41512a04ccf8b6338291a857453d8344b8b8ef0c40caa84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d240e94c3eac10186d9e128a81e546accaa31e11073f78262078144510eab46",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2020-02-06T04:16:59Z",
    "title_canon_sha256": "1ebb988959714ca7ba9578ae81586f6d97308e87dbac77f900f862b1909eddaa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.02091",
    "kind": "arxiv",
    "version": 3
  }
}