Pith Number

pith:O4NW4XHC

pith:2019:O4NW4XHCHK2R2YL5TVV7D5XQY6

not attested not anchored not stored refs pending

NPA: Neural News Recommendation with Personalized Attention

Chuhan Wu, Fangzhao Wu, Jianqiang Huang, Mingxiao An, Xing Xie, Yongfeng Huang

arxiv:1907.05559 v1 · 2019-07-12 · cs.IR · cs.CL

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O4NW4XHCHK2R2YL5TVV7D5XQY6}

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	2026-05-17T23:40:47.942169Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

771b6e5ce23ab51d617d9d6bf1f6f0c79d6abad7002b5604d8c5b79d28865d95

Aliases

arxiv: 1907.05559 · arxiv_version: 1907.05559v1 · doi: 10.48550/arxiv.1907.05559 · pith_short_12: O4NW4XHCHK2R · pith_short_16: O4NW4XHCHK2R2YL5 · pith_short_8: O4NW4XHC

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/O4NW4XHCHK2R2YL5TVV7D5XQY6 \
  | 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: 771b6e5ce23ab51d617d9d6bf1f6f0c79d6abad7002b5604d8c5b79d28865d95

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc476bc9965b6ee004601b61838ca5d63baedcea0cccfd4d68a967fb1001c64b",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2019-07-12T03:11:14Z",
    "title_canon_sha256": "4d2ad90dfb4d7d7dd3e39c1154c9f3f75b5d94b9158499656581203cf14414d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.05559",
    "kind": "arxiv",
    "version": 1
  }
}