Pith Number

pith:2BUKNZ23

pith:2024:2BUKNZ23IWFJGQYA2M6JIKXKOR

not attested not anchored not stored refs pending

Federated User Preference Modeling for Privacy-Preserving Cross-Domain Recommendation

Li Wang, Min Xu, Qiang Wu, Quangui Zhang, Shoujin Wang

arxiv:2408.14689 v1 · 2024-08-26 · 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{2BUKNZ23IWFJGQYA2M6JIKXKOR}

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	2026-07-05T08:59:37.473115Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d068a6e75b458a934300d33c942aea74481fb3f729db9fa2027fba808b672be8

Aliases

arxiv: 2408.14689 · arxiv_version: 2408.14689v1 · doi: 10.48550/arxiv.2408.14689 · pith_short_12: 2BUKNZ23IWFJ · pith_short_16: 2BUKNZ23IWFJGQYA · pith_short_8: 2BUKNZ23

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/2BUKNZ23IWFJGQYA2M6JIKXKOR \
  | 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: d068a6e75b458a934300d33c942aea74481fb3f729db9fa2027fba808b672be8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14f924a5f460aa4201b46ba96671ce050931c0f9acb93546725fc0ac1f5d9915",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2024-08-26T23:29:03Z",
    "title_canon_sha256": "27ce8b6266f68c89501d407ed236c61ddcca0c37504ab987c1a74d5ab25dbfb5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2408.14689",
    "kind": "arxiv",
    "version": 1
  }
}