Pith Number

pith:6INMKWA6

pith:2026:6INMKWA6X7N7UHQBJTTRGOZ3CN

not attested not anchored not stored refs pending

Compute Only Once: UG-Separation for Efficient Large Recommendation Models

Bingzheng Wei, Deping Xie, Hao Zhang, Hua Chen, Hui Lu, Ke Sun, Kunmin Bai, Qiwei Chen, Shipeng Bai, Tianyi Liu, Xiang Sun, Yingwen Wu, Yuchao Zheng, Zheng Chai, Zhifang Fan, Zhiliang Guo, Zhongkai Chen, Ziyan Gong

arxiv:2602.10455 v2 · 2026-02-11 · 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{6INMKWA6X7N7UHQBJTTRGOZ3CN}

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	2026-05-21T01:05:16.356183Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f21ac5581ebfdbfa1e014ce7133b3b134e87810eefd49ed96caa300dd96e764d

Aliases

arxiv: 2602.10455 · arxiv_version: 2602.10455v2 · doi: 10.48550/arxiv.2602.10455 · pith_short_12: 6INMKWA6X7N7 · pith_short_16: 6INMKWA6X7N7UHQB · pith_short_8: 6INMKWA6

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/6INMKWA6X7N7UHQBJTTRGOZ3CN \
  | 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: f21ac5581ebfdbfa1e014ce7133b3b134e87810eefd49ed96caa300dd96e764d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3d487195663040072ecf8a9f281b49eee2e5d68e519794560e4261cf2f685ba",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2026-02-11T02:53:59Z",
    "title_canon_sha256": "c3bbadaca368242ded3241ab34e073e744a2c56fe3667518f11cc1342bc05c7a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.10455",
    "kind": "arxiv",
    "version": 2
  }
}