Pith Number

pith:3NOLQRCD

pith:2026:3NOLQRCDO57GMID3T27F634ECA

not attested not anchored not stored refs pending

AgentAntibody: An Adaptive Immune System for Defending LLM Agents against Prompt Injection

Jiongchi Yu, Shihao Weng, Xiaofei Xie, Yang Feng

arxiv:2608.04053 v1 · 2026-08-04 · 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{3NOLQRCDO57GMID3T27F634ECA}

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.

Receipt and verification

First computed	2026-08-06T01:28:06.621135Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db5cb84443777e66207b9ebe5f6f84102913b2a3a52cbdf5a967a51f5657a080

Aliases

arxiv: 2608.04053 · arxiv_version: 2608.04053v1 · doi: 10.48550/arxiv.2608.04053 · pith_short_12: 3NOLQRCDO57G · pith_short_16: 3NOLQRCDO57GMID3 · pith_short_8: 3NOLQRCD

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/3NOLQRCDO57GMID3T27F634ECA \
  | 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: db5cb84443777e66207b9ebe5f6f84102913b2a3a52cbdf5a967a51f5657a080

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2f13863de871406f623c8bc31ba2c71594d98f2dbf4b78470ec907c1cde43bb",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2026-08-04T10:41:34Z",
    "title_canon_sha256": "339ce46dfca0a69de96797c07034693f1868c75bda5667f1a76c09448a1c7d57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.04053",
    "kind": "arxiv",
    "version": 1
  }
}