Pith Number

pith:P6VQ2OGU

pith:2025:P6VQ2OGUA2LUQ2VHF3J6UO2UCM

not attested not anchored not stored refs pending

IU4Rec: Interest Unit-Based Product Organization and Recommendation for E-Commerce Platform

Di Wu, Fei Huang, Jialiang Zhou, Junfeng Chen, Lin Wang, Qingheng Zhang, Qinye Xie, Shuguang Han, Wenhao Wu, Xiaojie Li, Yin Zhang

arxiv:2502.07658 v1 · 2025-02-11 · 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{P6VQ2OGUA2LUQ2VHF3J6UO2UCM}

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	2026-07-05T10:12:40.702187Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7fab0d38d40697486aa72ed3ea3b54130b1a4dad021769490c02bfe2d4c1f39f

Aliases

arxiv: 2502.07658 · arxiv_version: 2502.07658v1 · doi: 10.48550/arxiv.2502.07658 · pith_short_12: P6VQ2OGUA2LU · pith_short_16: P6VQ2OGUA2LUQ2VH · pith_short_8: P6VQ2OGU

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/P6VQ2OGUA2LUQ2VHF3J6UO2UCM \
  | 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: 7fab0d38d40697486aa72ed3ea3b54130b1a4dad021769490c02bfe2d4c1f39f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d741de57c1d3296bf3fd21d470988fa680739b4b303c608821f4fa7d444a854c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2025-02-11T15:46:28Z",
    "title_canon_sha256": "b4c1d6f51a0ba6a5718fc70333e5d450dfd7ee63f8ea5f1dce084e7b96968040"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.07658",
    "kind": "arxiv",
    "version": 1
  }
}