Pith Number

pith:WGKU7TPI

pith:2026:WGKU7TPIS7T5DQC4ASOV3NXBLQ

not attested not anchored not stored refs pending

Memory Layer: Train the In-Model Cache for Recommendation Models

Arun Kumar Singh, Chao Yang, Chuo-Yun Yang, Dmitry Barablin, Gufan Yin, Hao Lin, Justin Lin, Kaustubh Vartak, Lei Chen, Liangyuan Na, Mengjiao Zhou, Min Yu, Shuo Tang, Tingting Zhang, Wen Zhang, Xianjie Chen, Xiaoheng Mao, Xinyuan Zhang, Yixin Bao, Zheng Qi, Ziheng Huang, Ziliang Zhao

arxiv:2607.25110 v1 · 2026-07-27 · 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{WGKU7TPIS7T5DQC4ASOV3NXBLQ}

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	2026-07-29T00:25:03.373870Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1954fcde897e7d1c05c049d5db6e15c13f3691556a49cdd800ecc470aa46348

Aliases

arxiv: 2607.25110 · arxiv_version: 2607.25110v1 · doi: 10.48550/arxiv.2607.25110 · pith_short_12: WGKU7TPIS7T5 · pith_short_16: WGKU7TPIS7T5DQC4 · pith_short_8: WGKU7TPI

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/WGKU7TPIS7T5DQC4ASOV3NXBLQ \
  | 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: b1954fcde897e7d1c05c049d5db6e15c13f3691556a49cdd800ecc470aa46348

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0ffc1a658e3ea55cb5377059d5c06daf0bf6994514c18a1a8959a4785a116e9",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2026-07-27T22:15:13Z",
    "title_canon_sha256": "c31d57f8ecd0f784c0fbee2b00951540ae04dbbc036aed4c76d2e6f806701cf7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.25110",
    "kind": "arxiv",
    "version": 1
  }
}