Pith Number

pith:2HCJPA2J

pith:2022:2HCJPA2JHEM7QO2XGVYVOGJHRA

not attested not anchored not stored refs pending

UA-FedRec: Untargeted Attack on Federated News Recommendation

Bin Zhu, Fangzhao Wu, Guangzhong Sun, Jingwei Yi, Jing Yao, Xing Xie, Zhulin Tao

arxiv:2202.06701 v2 · 2022-02-14 · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2HCJPA2JHEM7QO2XGVYVOGJHRA}

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

When Graph Contrastive Learning Backfires: Spectral Vulnerability and Defense in Recommendation

Receipt and verification

First computed	2026-07-05T06:18:35.270150Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1c49783493919f83b573571571927883e8ead893e037e46a96e0a0eea0f2312

Aliases

arxiv: 2202.06701 · arxiv_version: 2202.06701v2 · doi: 10.48550/arxiv.2202.06701 · pith_short_12: 2HCJPA2JHEM7 · pith_short_16: 2HCJPA2JHEM7QO2X · pith_short_8: 2HCJPA2J

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/2HCJPA2JHEM7QO2XGVYVOGJHRA \
  | 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: d1c49783493919f83b573571571927883e8ead893e037e46a96e0a0eea0f2312

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ee8f7089cec034e3ef2ece8219d7dee3e2f7897dbe6bc52b13291bb8186c313",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2022-02-14T13:45:53Z",
    "title_canon_sha256": "05c30b39aa3f5105d532caf9f8d795c05df0c4db87fd885aa8bb816391ff9208"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.06701",
    "kind": "arxiv",
    "version": 2
  }
}