Pith Number

pith:UQLE6E4C

pith:2018:UQLE6E4C7C526MD4RWEO56YPAE

not attested not anchored not stored refs pending

User-Sensitive Recommendation Ensemble with Clustered Multi-Task Learning

Kun Zhang, Menghan Wang, Xiaolin Zheng

arxiv:1804.10795 v1 · 2018-04-28 · 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{UQLE6E4C7C526MD4RWEO56YPAE}

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	2026-05-18T00:17:15.538839Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4164f1382f8bbaf307c8d88eefb0f010538e7322e9b58ed90aa845347cbd989

Aliases

arxiv: 1804.10795 · arxiv_version: 1804.10795v1 · doi: 10.48550/arxiv.1804.10795 · pith_short_12: UQLE6E4C7C52 · pith_short_16: UQLE6E4C7C526MD4 · pith_short_8: UQLE6E4C

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/UQLE6E4C7C526MD4RWEO56YPAE \
  | 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: a4164f1382f8bbaf307c8d88eefb0f010538e7322e9b58ed90aa845347cbd989

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a05264abdd8733f4c86377abaf0759abb1de89e875c294f88b6605e2d4c13529",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2018-04-28T12:35:27Z",
    "title_canon_sha256": "c1d220986d2f7905f18fc8126b93d3cb8178230f2cbf0ecfb31d4a5f8818b47c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.10795",
    "kind": "arxiv",
    "version": 1
  }
}