Pith Number

pith:7U3FZJUM

pith:2026:7U3FZJUMND7XR5A6MFW5JPJRWU

not attested not anchored not stored refs pending

Understanding and Mitigating Prompt Leaking Attacks in Real-World LLM-Based Applications

Chong Fu, Qingming Li, Rui Zeng, Shouling Ji, Tianyu Du, Tong Zhang, Wenzhi Chen, Yong Yang, Zonghui Wang

arxiv:2606.18673 v1 · 2026-06-17 · 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{7U3FZJUMND7XR5A6MFW5JPJRWU}

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	2026-06-19T16:11:44.242772Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd365ca68c68ff78f41e616dd4bd31b5399f81cc3272e339ee0c8d2cf49feaed

Aliases

arxiv: 2606.18673 · arxiv_version: 2606.18673v1 · doi: 10.48550/arxiv.2606.18673 · pith_short_12: 7U3FZJUMND7X · pith_short_16: 7U3FZJUMND7XR5A6 · pith_short_8: 7U3FZJUM

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/7U3FZJUMND7XR5A6MFW5JPJRWU \
  | 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: fd365ca68c68ff78f41e616dd4bd31b5399f81cc3272e339ee0c8d2cf49feaed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "944cf6494615681925b7241fa67065b3d30e06b18d81ea364fd12d229e61a9b0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2026-06-17T04:20:00Z",
    "title_canon_sha256": "80d7c177d914d798270a2d25aa8db95052b0315bf1debd89b6a626435bcacad7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.18673",
    "kind": "arxiv",
    "version": 1
  }
}