Pith Number

pith:HKPVQAS7

pith:2022:HKPVQAS7YUHRD7SAKN5CPPWCFX

not attested not anchored not stored refs pending

Achieving Personalized Federated Learning with Sparse Local Models

Dacheng Tao, Fengxiang He, Li Shen, Shiwei Liu, Tiansheng Huang, Weiwei Lin

arxiv:2201.11380 v1 · 2022-01-27 · cs.LG · cs.AI · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HKPVQAS7YUHRD7SAKN5CPPWCFX}

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

Harmful Fine-tuning Attacks and Defenses for Large Language Models: A Survey

Receipt and verification

First computed	2026-07-05T03:52:01.848145Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a9f58025fc50f11fe40537a27bec22de3101b209215f0ca2effd20b38959f87

Aliases

arxiv: 2201.11380 · arxiv_version: 2201.11380v1 · doi: 10.48550/arxiv.2201.11380 · pith_short_12: HKPVQAS7YUHR · pith_short_16: HKPVQAS7YUHRD7SA · pith_short_8: HKPVQAS7

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/HKPVQAS7YUHRD7SAKN5CPPWCFX \
  | 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: 3a9f58025fc50f11fe40537a27bec22de3101b209215f0ca2effd20b38959f87

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56123430a732fe262b9c6ed65bd9dc79ccd771709d19bc012c31c19c21dcba88",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.DC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-01-27T08:43:11Z",
    "title_canon_sha256": "dc88a0fa4f56769310efd937c69bb873f5fe4df6f639f021d39a3b5537b1751e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.11380",
    "kind": "arxiv",
    "version": 1
  }
}