Pith Number

pith:Q7F5K545

pith:2021:Q7F5K545GDDK7AYQFBXE3CUMGS

not attested not anchored not stored refs pending

Cross-domain User Preference Learning for Cold-start Recommendation

Hongxia Yang, Huiling Zhou, Jie Liu, Jin Yu, Zhikang Li

arxiv:2112.03667 v1 · 2021-12-07 · cs.IR · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q7F5K545GDDK7AYQFBXE3CUMGS}

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	2026-07-05T03:38:48.064149Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87cbd5779d30c6af8310286e4d8a8c34b5bebcfb6317bf48178c68e19b299330

Aliases

arxiv: 2112.03667 · arxiv_version: 2112.03667v1 · doi: 10.48550/arxiv.2112.03667 · pith_short_12: Q7F5K545GDDK · pith_short_16: Q7F5K545GDDK7AYQ · pith_short_8: Q7F5K545

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/Q7F5K545GDDK7AYQFBXE3CUMGS \
  | 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: 87cbd5779d30c6af8310286e4d8a8c34b5bebcfb6317bf48178c68e19b299330

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2b36018af572ed6f9fa867bd8a1d265fe4406bddb67b96d5e23798e1357d4aa",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2021-12-07T12:57:05Z",
    "title_canon_sha256": "5016975282d5eb63db2be7dd5a4ba0496d9fb491ce8f9cacfc82f9c94d406b07"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.03667",
    "kind": "arxiv",
    "version": 1
  }
}