Pith. sign in
Pith Number

pith:Z2PQDCC3

pith:2025:Z2PQDCC3K6LKLOH43RBYPZBV54
not attested not anchored not stored refs pending

Defending Against Prompt Injection With a Few DefensiveTokens

Chawin Sitawarin, David Wagner, Nicholas Carlini, Sizhe Chen, Yizhu Wang

arxiv:2507.07974 v2 · 2025-07-10 · 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{Z2PQDCC3K6LKLOH43RBYPZBV54}

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

5 papers in Pith

Understanding and Mitigating Prompt Leaking Attacks in Real-World LLM-Based Applications
Agent Security is a Systems Problem
Agent Security is a Systems Problem
AgentVisor: Defending LLM Agents Against Prompt Injection via Semantic Virtualization
Self-Adaptive Multi-Agent LLM-Based Security Pattern Selection for IoT Systems
Receipt and verification
First computed 2026-07-05T11:58:32.718651Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

ce9f01885b5796a5b8fcdc4387e435ef17bc0cf82ac942608715c0644bd18099

Aliases

arxiv: 2507.07974 · arxiv_version: 2507.07974v2 · doi: 10.48550/arxiv.2507.07974 · pith_short_12: Z2PQDCC3K6LK · pith_short_16: Z2PQDCC3K6LKLOH4 · pith_short_8: Z2PQDCC3
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/Z2PQDCC3K6LKLOH43RBYPZBV54 \
  | 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: ce9f01885b5796a5b8fcdc4387e435ef17bc0cf82ac942608715c0644bd18099
Canonical record JSON 
{
  "metadata": {
    "abstract_canon_sha256": "1d5c3288fb94568e68165bb1479565549cbab750265cb76857d14197ac0cc3af",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2025-07-10T17:51:05Z",
    "title_canon_sha256": "c77e27cd3b1dc288dad9c9b1b2e11955d938317ad044b3ea8118d174e0c0f9be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.07974",
    "kind": "arxiv",
    "version": 2
  }
}