Pith Number

pith:WAUBBCBH

pith:2021:WAUBBCBHMQYNOVDCVAXSB6AYMH

not attested not anchored not stored refs pending

Cross-Domain Recommendation: Challenges, Progress, and Prospects

Chaochao Chen, Feng Zhu, Guanfeng Liu, Jun Zhou, Longfei Li, Yan Wang

arxiv:2103.01696 v1 · 2021-03-02 · cs.IR · cs.AI · 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{WAUBBCBHMQYNOVDCVAXSB6AYMH}

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

3 papers in Pith

Synthetic Data from Cross-Domain Events for Large-Scale Recommendation Systems

SemaCDR: LLM-Powered Transferable Semantics for Cross-Domain Sequential Recommendation

HORIZON: A Benchmark for In-the-wild User Behaviour Modeling

Receipt and verification

First computed	2026-07-05T02:19:49.717059Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0281088276430d75462a82f20f81861c981cd714a94590af3f4622e3d68ff91

Aliases

arxiv: 2103.01696 · arxiv_version: 2103.01696v1 · doi: 10.48550/arxiv.2103.01696 · pith_short_12: WAUBBCBHMQYN · pith_short_16: WAUBBCBHMQYNOVDC · pith_short_8: WAUBBCBH

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/WAUBBCBHMQYNOVDCVAXSB6AYMH \
  | 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: b0281088276430d75462a82f20f81861c981cd714a94590af3f4622e3d68ff91

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9ff7dedb4055b9f650442e8ed1a5d9fa0ba56d09ff2f68dcfd64e7122d07259",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2021-03-02T12:58:08Z",
    "title_canon_sha256": "dcb50c23e9cc08c43c3467f63ce536c0a9880e3632229b89c5292e5caaf0d124"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.01696",
    "kind": "arxiv",
    "version": 1
  }
}