Pith Number

pith:LUWSN72W

pith:2022:LUWSN72W6LZWNMVBQ26DGMUIGJ

not attested not anchored not stored refs pending

Alleviating Cold-start Problem in CTR Prediction with A Variational Embedding Learning Framework

Changping Peng, Chaosheng Fan, Chen Yang, Jiaxing Wang, Jingping Shao, Qian Yu, Xiaoxiao Xu, Yang He, Zhangang Lin, Zhiwei Fang

arxiv:2201.10980 v1 · 2022-01-17 · 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{LUWSN72W6LZWNMVBQ26DGMUIGJ}

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	2026-07-05T03:51:51.192326Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d2d26ff56f2f366b2a186bc3332883269ad4c601fdcbd23c3bcc99c1a60ad0e

Aliases

arxiv: 2201.10980 · arxiv_version: 2201.10980v1 · doi: 10.48550/arxiv.2201.10980 · pith_short_12: LUWSN72W6LZW · pith_short_16: LUWSN72W6LZWNMVB · pith_short_8: LUWSN72W

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/LUWSN72W6LZWNMVBQ26DGMUIGJ \
  | 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: 5d2d26ff56f2f366b2a186bc3332883269ad4c601fdcbd23c3bcc99c1a60ad0e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2eb7047a46787f75e09867ce271ba3abe104aad17487294d0a421d14eb5b0ec",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2022-01-17T10:01:06Z",
    "title_canon_sha256": "df8939a84e7abe65068a477ba8b1b1b7d9970542c5180d307b0c062d2b92cef4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.10980",
    "kind": "arxiv",
    "version": 1
  }
}