Pith Number

pith:FWVVUOPH

pith:2026:FWVVUOPH7PDWHBEQUGEL5S2QHH

not attested not anchored not stored refs pending

From Similarity to Vulnerability: Key Collision Attack on LLM Semantic Caching

Dongdong She, Quanfeng Huang, Yuchong Xie, Zesen Liu, Zhixiang Zhang

arxiv:2601.23088 v2 · 2026-01-30 · cs.CR · 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{FWVVUOPH7PDWHBEQUGEL5S2QHH}

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.

Cited by

1 paper in Pith

Grounded Cache Routing for Retrieval-Augmented Generation: When Is It Safe to Reuse an Answer?

Receipt and verification

First computed	2026-07-01T01:17:13.138266Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2dab5a39e7fbc7638490a188becb5039c8fbe9e50589694e22b2a3782f3b1024

Aliases

arxiv: 2601.23088 · arxiv_version: 2601.23088v2 · doi: 10.48550/arxiv.2601.23088 · pith_short_12: FWVVUOPH7PDW · pith_short_16: FWVVUOPH7PDWHBEQ · pith_short_8: FWVVUOPH

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/FWVVUOPH7PDWHBEQUGEL5S2QHH \
  | 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: 2dab5a39e7fbc7638490a188becb5039c8fbe9e50589694e22b2a3782f3b1024

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "551653287307227e056bd0025f5ba88c918fdde5ac3a5f6922ab9d926878ff9f",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2026-01-30T15:37:00Z",
    "title_canon_sha256": "13d3ed72d8a89312266eef281f35673ec19730b4a4d3c0bdb7f75fa684fa6728"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.23088",
    "kind": "arxiv",
    "version": 2
  }
}