Pith Number

pith:IMCIQRSZ

pith:2025:IMCIQRSZEMZSADTC6RWAPB2PZJ

not attested not anchored not stored refs pending

Invisible Prompts, Visible Threats: Malicious Font Injection in External Resources for Large Language Models

Changjia Zhu, Chong Zhang, Junjie Xiong, Lingyao Li, Shuhang Lin, Yao Liu, Yongfeng Zhang

arxiv:2505.16957 v1 · 2025-05-22 · 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{IMCIQRSZEMZSADTC6RWAPB2PZJ}

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

ShareLock: A Stealthy Multi-Tool Threshold Poisoning Attack Against MCP

Receipt and verification

First computed	2026-07-05T11:07:43.746614Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43048846592333200e62f46c07874fca627d6b719e1707b6ca3d369a7d736073

Aliases

arxiv: 2505.16957 · arxiv_version: 2505.16957v1 · doi: 10.48550/arxiv.2505.16957 · pith_short_12: IMCIQRSZEMZS · pith_short_16: IMCIQRSZEMZSADTC · pith_short_8: IMCIQRSZ

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/IMCIQRSZEMZSADTC6RWAPB2PZJ \
  | 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: 43048846592333200e62f46c07874fca627d6b719e1707b6ca3d369a7d736073

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f7d0b828534cacd36f26f8c307427780655d200fe14aed5831de0e667c376ed",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2025-05-22T17:36:33Z",
    "title_canon_sha256": "00814784a3c62271f781b4ddc1c6ec0dcd263bcfeb7799dc7a41bfc1d55e8c74"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.16957",
    "kind": "arxiv",
    "version": 1
  }
}