Pith Number

pith:FHN3RHVU

pith:2026:FHN3RHVUTUPU7EZLVD3ZVEZB6Q

not attested not anchored not stored refs pending

A Layered Security Framework Against Prompt Injection in RAG-Based Chatbots

Ali Hassan, Gulshan Saleem, Muhammad Imran Zaman, Nisar Ahmed

arxiv:2606.19660 v1 · 2026-06-17 · cs.CR · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FHN3RHVUTUPU7EZLVD3ZVEZB6Q}

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	2026-06-19T16:12:31.544001Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29dbb89eb49d1f4f932ba8f79a9321f42e6525b82e69643656cc29c920330f2f

Aliases

arxiv: 2606.19660 · arxiv_version: 2606.19660v1 · doi: 10.48550/arxiv.2606.19660 · pith_short_12: FHN3RHVUTUPU · pith_short_16: FHN3RHVUTUPU7EZL · pith_short_8: FHN3RHVU

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/FHN3RHVUTUPU7EZLVD3ZVEZB6Q \
  | 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: 29dbb89eb49d1f4f932ba8f79a9321f42e6525b82e69643656cc29c920330f2f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8805caa693556442c8910342c154a0d14607b5958216c264f781d5dcee9851c",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2026-06-17T23:59:57Z",
    "title_canon_sha256": "b455cb74d2b9d7bb1259d066f8094426acd09b913bb51288ee027a665983258c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.19660",
    "kind": "arxiv",
    "version": 1
  }
}