Pith Number

pith:HJ7PRFDD

pith:2021:HJ7PRFDD6YVRJJ4KAQ3TJEUYHW

not attested not anchored not stored refs pending

PP-Rec: News Recommendation with Personalized User Interest and Time-aware News Popularity

Chuhan Wu, Fangzhao Wu, Tao Qi, Yongfeng Huang

arxiv:2106.01300 v2 · 2021-06-02 · 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{HJ7PRFDD6YVRJJ4KAQ3TJEUYHW}

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

NewsReX: A More Efficient Approach to News Recommendation with Keras 3 and JAX

Receipt and verification

First computed	2026-07-05T02:48:00.319357Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a7ef89463f62b14a78a04373492983dac9259c431b7f3f8b33c79051a4f4fbc

Aliases

arxiv: 2106.01300 · arxiv_version: 2106.01300v2 · doi: 10.48550/arxiv.2106.01300 · pith_short_12: HJ7PRFDD6YVR · pith_short_16: HJ7PRFDD6YVRJJ4K · pith_short_8: HJ7PRFDD

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/HJ7PRFDD6YVRJJ4KAQ3TJEUYHW \
  | 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: 3a7ef89463f62b14a78a04373492983dac9259c431b7f3f8b33c79051a4f4fbc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "546fb02683fff9adaf909fbd48dde79a6492632cadcfdf3b5505e2fc959d0446",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2021-06-02T17:15:57Z",
    "title_canon_sha256": "6ee220b6196d181108e149b8831968e4ec936246b07d0d09acf0dbf53b6bfb8e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.01300",
    "kind": "arxiv",
    "version": 2
  }
}