Pith Number

pith:KV4YDNWK

pith:2022:KV4YDNWKAPZJKVMAUQPHK2L3P3

not attested not anchored not stored refs pending

News Recommendation with Candidate-aware User Modeling

Chuhan Wu, Fangzhao Wu, Tao Qi, Yongfeng Huang

arxiv:2204.04726 v1 · 2022-04-10 · 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{KV4YDNWKAPZJKVMAUQPHK2L3P3}

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	2026-07-05T04:13:01.007391Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

557981b6ca03f2955580a41e75697b7ec4120b0dbde5e497e1d79533dec0726f

Aliases

arxiv: 2204.04726 · arxiv_version: 2204.04726v1 · doi: 10.48550/arxiv.2204.04726 · pith_short_12: KV4YDNWKAPZJ · pith_short_16: KV4YDNWKAPZJKVMA · pith_short_8: KV4YDNWK

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/KV4YDNWKAPZJKVMAUQPHK2L3P3 \
  | 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: 557981b6ca03f2955580a41e75697b7ec4120b0dbde5e497e1d79533dec0726f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c044e71060889461c45029f5540d09a1d77ee5b56e2cf725e462220a57d18a4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2022-04-10T17:02:29Z",
    "title_canon_sha256": "f4c3fc9860f6af553cb12f4979945146be9c23e8fc02c9834fb0f5de8083682c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.04726",
    "kind": "arxiv",
    "version": 1
  }
}