Pith Number

pith:32A7LJ2Y

pith:2025:32A7LJ2YT3TV37S2B3FED5ZKXQ

not attested not anchored not stored refs pending

LettinGo: Explore User Profile Generation for Recommendation System

Di Zhang, Dongmei Zhang, Fangkai Yang, Feng Sun, Hao Sun, Jianfeng Liu, Lu Wang, Pu Zhao, Qingwei Lin, Qi Zhang, Weiwei Deng, Yuefeng Zhan

arxiv:2506.18309 v1 · 2025-06-23 · cs.IR · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{32A7LJ2YT3TV37S2B3FED5ZKXQ}

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	2026-07-05T11:25:48.473708Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de81f5a7589ee75dfe5a0eca41f72abc12f42269afbc316fcbee3c18954882e1

Aliases

arxiv: 2506.18309 · arxiv_version: 2506.18309v1 · doi: 10.48550/arxiv.2506.18309 · pith_short_12: 32A7LJ2YT3TV · pith_short_16: 32A7LJ2YT3TV37S2 · pith_short_8: 32A7LJ2Y

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/32A7LJ2YT3TV37S2B3FED5ZKXQ \
  | 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: de81f5a7589ee75dfe5a0eca41f72abc12f42269afbc316fcbee3c18954882e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7404bf5739d57075dee72aa4cf8826a784afdc399ebfdbd255ff54ccf2a4f22a",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2025-06-23T05:51:52Z",
    "title_canon_sha256": "e44831f2222d70cfe2a4e5139aeb96281311d79ecf761daa02c28cd3aa02132b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.18309",
    "kind": "arxiv",
    "version": 1
  }
}