Pith Number

pith:J7YOWJKJ

pith:2020:J7YOWJKJEZQCGUJ5I345B7W7EJ

not attested not anchored not stored refs pending

Privacy-Preserving News Recommendation Model Learning

Chuhan Wu, Fangzhao Wu, Tao Qi, Xing Xie, Yongfeng Huang

arxiv:2003.09592 v3 · 2020-03-21 · 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{J7YOWJKJEZQCGUJ5I345B7W7EJ}

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

Divergence Meets Consensus: A Multi-Source Negative Sampling Framework for Sequential Recommendation

Receipt and verification

First computed	2026-07-05T01:41:17.339334Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ff0eb2549266023513d46f9d0fedf22572ce08981b3b478db0f32bf24f72145

Aliases

arxiv: 2003.09592 · arxiv_version: 2003.09592v3 · doi: 10.48550/arxiv.2003.09592 · pith_short_12: J7YOWJKJEZQC · pith_short_16: J7YOWJKJEZQCGUJ5 · pith_short_8: J7YOWJKJ

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/J7YOWJKJEZQCGUJ5I345B7W7EJ \
  | 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: 4ff0eb2549266023513d46f9d0fedf22572ce08981b3b478db0f32bf24f72145

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ad6d030374f266ef96cfd5f908e9d15c85389361887c7cb2c84c8000182b3e6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2020-03-21T06:52:27Z",
    "title_canon_sha256": "e0bef2acbd7dfc5cfd8891a01c06913c9482c7c2c0fe313e8b9ed556e8c9a8cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.09592",
    "kind": "arxiv",
    "version": 3
  }
}