Pith Number

pith:ITZQ5HPB

pith:2025:ITZQ5HPBHZ7SWC6SZ2AAF3UUHU

not attested not anchored not stored refs pending

LLM4MEA: Data-free Model Extraction Attacks on Sequential Recommenders via Large Language Models

Du Su, Fei Sun, Huawei Shen, Kaike Zhang, Shaoling Jing, Shilong Zhao, Xueqi Cheng, Zhichao Shi, Zhiyi Yin

arxiv:2507.16969 v1 · 2025-07-22 · 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{ITZQ5HPBHZ7SWC6SZ2AAF3UUHU}

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	2026-07-05T11:41:59.246603Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44f30e9de13e7f2b0bd2ce8002ee943d2132d0eda29a8de999ba9a03e97a96b1

Aliases

arxiv: 2507.16969 · arxiv_version: 2507.16969v1 · doi: 10.48550/arxiv.2507.16969 · pith_short_12: ITZQ5HPBHZ7S · pith_short_16: ITZQ5HPBHZ7SWC6S · pith_short_8: ITZQ5HPB

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/ITZQ5HPBHZ7SWC6SZ2AAF3UUHU \
  | 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: 44f30e9de13e7f2b0bd2ce8002ee943d2132d0eda29a8de999ba9a03e97a96b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "973bfd8a4479e3cf1a4c38d77b66a29b2be9dc7c66be4f466529ca795fdfa213",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2025-07-22T19:20:23Z",
    "title_canon_sha256": "8c7377e16b6a4900b220cd352d9f4518e05dba5bbc32b7eaf49987135e61cdef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.16969",
    "kind": "arxiv",
    "version": 1
  }
}