Pith Number

pith:L37CYSKX

pith:2024:L37CYSKXI4IERWUYQJYP32K6IW

not attested not anchored not stored refs pending

Towards Personalized Privacy: User-Governed Data Contribution for Federated Recommendation

Hongzhi Yin, Liang Qu, Lizhen Cui, Ruiqi Zheng, Wei Yuan, Yuhui Shi

arxiv:2401.17630 v1 · 2024-01-31 · 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{L37CYSKXI4IERWUYQJYP32K6IW}

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	2026-07-05T07:39:39.584266Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5efe2c4957471048da988270fde95e45bef6e9b010c5e2f5d293791692a03f17

Aliases

arxiv: 2401.17630 · arxiv_version: 2401.17630v1 · doi: 10.48550/arxiv.2401.17630 · pith_short_12: L37CYSKXI4IE · pith_short_16: L37CYSKXI4IERWUY · pith_short_8: L37CYSKX

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/L37CYSKXI4IERWUYQJYP32K6IW \
  | 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: 5efe2c4957471048da988270fde95e45bef6e9b010c5e2f5d293791692a03f17

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ceb5b3017f849594bf5b42c58995476b812dd3258076255e74b0e9a8c8b42987",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2024-01-31T07:20:56Z",
    "title_canon_sha256": "35d3a33d84e77d738ae7acde5fe9cc2f1ed74464432f91069cb862c51f27a135"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2401.17630",
    "kind": "arxiv",
    "version": 1
  }
}