Pith Number

pith:66FBLRTC

pith:2024:66FBLRTCXAL5AZAY7PCBF5VP2X

not attested not anchored not stored refs pending

Poisoning Decentralized Collaborative Recommender System and Its Countermeasures

Hongzhi Yin, Kai Zheng, Liang Qu, Ruiqi Zheng, Tong Chen, Yuhui Shi

arxiv:2404.01177 v1 · 2024-04-01 · cs.CR · 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{66FBLRTCXAL5AZAY7PCBF5VP2X}

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	2026-07-05T08:03:02.126125Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f78a15c662b817d06418fbc412f6afd5cced6440932f85dc150cf581dedf0a31

Aliases

arxiv: 2404.01177 · arxiv_version: 2404.01177v1 · doi: 10.48550/arxiv.2404.01177 · pith_short_12: 66FBLRTCXAL5 · pith_short_16: 66FBLRTCXAL5AZAY · pith_short_8: 66FBLRTC

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/66FBLRTCXAL5AZAY7PCBF5VP2X \
  | 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: f78a15c662b817d06418fbc412f6afd5cced6440932f85dc150cf581dedf0a31

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb928e84e5e10d40379f244eb77f5e7e9923a4610d464ec8deb89fd1796a2c57",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2024-04-01T15:30:02Z",
    "title_canon_sha256": "d1b58c0d44f1a5c7a5b9243c5693f5d0a6f7f3023185bce34f151d029ac57b57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2404.01177",
    "kind": "arxiv",
    "version": 1
  }
}