Pith Number

pith:WZBEJ4K2

pith:2026:WZBEJ4K2METCVXOBTGTGTPQMG5

not attested not anchored not stored refs pending

Covert Visual Prompt Injection against Commercial Multimodal Large Language Models

Chenqi Kong, Meiwen Ding, Song Xia, Xudong Jiang

arxiv:2603.29418 v2 · 2026-03-31 · cs.CV · 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{WZBEJ4K2METCVXOBTGTGTPQMG5}

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

2 papers in Pith

MemVenom: Triggered Poisoning of Multimodal Memories in Web Agents

Kill-Chain Canaries: Stage-Level Tracking of Prompt Injection Across Attack Surfaces and Model Safety Tiers

Receipt and verification

First computed	2026-08-12T01:24:19.235326Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b64244f15a61262addc199a669be0c3740ed5033c8135a928eee49644cf5038e

Aliases

arxiv: 2603.29418 · arxiv_version: 2603.29418v2 · doi: 10.48550/arxiv.2603.29418 · pith_short_12: WZBEJ4K2METC · pith_short_16: WZBEJ4K2METCVXOB · pith_short_8: WZBEJ4K2

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/WZBEJ4K2METCVXOBTGTGTPQMG5 \
  | 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: b64244f15a61262addc199a669be0c3740ed5033c8135a928eee49644cf5038e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87f48a36cdc74a39d22dd727d77eae16350f251fc59b19671b958a417d361a3e",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-03-31T08:22:07Z",
    "title_canon_sha256": "8ff9bbb4274a4238a6c418635004e9f69f151b980f0bc8ce748fb0f3717db353"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.29418",
    "kind": "arxiv",
    "version": 2
  }
}