Pith Number

pith:QEBCFYN2

pith:2021:QEBCFYN2SFYDGZVP5AKJVIVAHM

not attested not anchored not stored refs pending

POSO: Personalized Cold Start Modules for Large-scale Recommender Systems

Haobin Lin, Honghuan Wu, Jianying Lin, Ji Liu, Sen Yang, Shangfeng Dai, Zhe Wang, Zhichen Zhao

arxiv:2108.04690 v4 · 2021-08-10 · 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{QEBCFYN2SFYDGZVP5AKJVIVAHM}

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

2 papers in Pith

Dual-Attention Convolution Experts for Sparse Tensor Completion

From Head to Tail: Asymmetric Knowledge Transfer in Long-tail Recommendation with Generative Semantic IDs

Receipt and verification

First computed	2026-07-05T03:08:08.340179Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

810222e1ba91703366afe8149aa2a03b365b4996aa957c64c6ed636d279a3d1d

Aliases

arxiv: 2108.04690 · arxiv_version: 2108.04690v4 · doi: 10.48550/arxiv.2108.04690 · pith_short_12: QEBCFYN2SFYD · pith_short_16: QEBCFYN2SFYDGZVP · pith_short_8: QEBCFYN2

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/QEBCFYN2SFYDGZVP5AKJVIVAHM \
  | 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: 810222e1ba91703366afe8149aa2a03b365b4996aa957c64c6ed636d279a3d1d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1dcd4842001846de3c20b2334f40337f1e19c85e2a06665511da87beb9986a04",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2021-08-10T13:47:56Z",
    "title_canon_sha256": "68b86242f6132a628cd53729dab3af8354b62c7141c7d51c3499b1a8a797a42c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.04690",
    "kind": "arxiv",
    "version": 4
  }
}