Pith Number

pith:W5U2CKD5

pith:2025:W5U2CKD5YMZCTUKQELTLAUEBEO

not attested not anchored not stored refs pending

Prompt Pirates Need a Map: Stealing Seeds helps Stealing Prompts

Ashwath Shetty, Felix M\"achtle, Jonas Sander, Nils Loose, S\"oren Pirk, Thomas Eisenbarth

arxiv:2509.09488 v1 · 2025-09-11 · 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{W5U2CKD5YMZCTUKQELTLAUEBEO}

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

1 paper in Pith

Steganography Without Modification: Hidden Communication via LLM Seeds

Receipt and verification

First computed	2026-07-05T12:09:36.942787Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b769a1287dc33229d15022e6b0508123980553967df0b337c8a7a0012d7abcf5

Aliases

arxiv: 2509.09488 · arxiv_version: 2509.09488v1 · doi: 10.48550/arxiv.2509.09488 · pith_short_12: W5U2CKD5YMZC · pith_short_16: W5U2CKD5YMZCTUKQ · pith_short_8: W5U2CKD5

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/W5U2CKD5YMZCTUKQELTLAUEBEO \
  | 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: b769a1287dc33229d15022e6b0508123980553967df0b337c8a7a0012d7abcf5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48e258f16e509818aac3248cd090e321d46a93337508885969653af9f20bf58e",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2025-09-11T14:21:59Z",
    "title_canon_sha256": "2b0f0dbd19c0948b11c0d0eeab9fb150b1650d7e2914fecd6b3e5a6b2fb15810"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.09488",
    "kind": "arxiv",
    "version": 1
  }
}