Pith Number

pith:OMVZXWA7

pith:2026:OMVZXWA7AAVEXWMW2CGQAUDKFI

not attested not anchored not stored refs pending

AttriGuard: Defeating Indirect Prompt Injection in LLM Agents via Causal Attribution of Tool Invocations

Haozhe Zhu, Hongwei Yao, Shuo Shao, Yiming Li, Yu He, Zhan Qin, Zhihao Liu

arxiv:2603.10749 v2 · 2026-03-11 · cs.CR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OMVZXWA7AAVEXWMW2CGQAUDKFI}

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

3 papers in Pith

Toward Secure LLM Agents: Threat Surfaces, Attacks, Defenses, and Evaluation

How Your Credentials Are Leaked by LLM Agent Skills: An Empirical Study

SoK: Security of Autonomous LLM Agents in Agentic Commerce

Receipt and verification

First computed	2026-06-11T01:09:33.035628Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

732b9bd81f002a4bd996d08d00506a2a1a9491e69b13c778d1a4d317d8ce2680

Aliases

arxiv: 2603.10749 · arxiv_version: 2603.10749v2 · doi: 10.48550/arxiv.2603.10749 · pith_short_12: OMVZXWA7AAVE · pith_short_16: OMVZXWA7AAVEXWMW · pith_short_8: OMVZXWA7

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/OMVZXWA7AAVEXWMW2CGQAUDKFI \
  | 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: 732b9bd81f002a4bd996d08d00506a2a1a9491e69b13c778d1a4d317d8ce2680

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35f06246bc34f2e82077edc84fca23a0834bd9690dc2dcf5bb3a320ce269b055",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2026-03-11T13:23:46Z",
    "title_canon_sha256": "b3dcb9916e9630391730ba047b98d859112e95800afe682f4bc473678bc1bdf9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.10749",
    "kind": "arxiv",
    "version": 2
  }
}