Pith Number

pith:Y626FQOA

pith:2026:Y626FQOAH2Y4OPCCA7YNLPFXG3

not attested not anchored not stored refs pending

CrackedPDFs: A Controlled Benchmark for Hidden Prompt Injection in PDFs

Pukaphol Thienpreecha ("Volk")

arxiv:2607.19396 v1 · 2026-07-03 · 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{Y626FQOAH2Y4OPCCA7YNLPFXG3}

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	2026-07-23T00:23:47.914456Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7b5e2c1c03eb1c73c4207f0d5bcb736f0c3ec2a46931b94fc059b654423785d

Aliases

arxiv: 2607.19396 · arxiv_version: 2607.19396v1 · doi: 10.48550/arxiv.2607.19396 · pith_short_12: Y626FQOAH2Y4 · pith_short_16: Y626FQOAH2Y4OPCC · pith_short_8: Y626FQOA

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/Y626FQOAH2Y4OPCCA7YNLPFXG3 \
  | 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: c7b5e2c1c03eb1c73c4207f0d5bcb736f0c3ec2a46931b94fc059b654423785d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f84adcf50d6f00e828ab1e2959ca5a82e486a12b63cbae7f0948f984b60ed049",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-07-03T14:24:26Z",
    "title_canon_sha256": "80c8911a65c5906aca826754f29f9c627c760fefcf562fed35e3494235b45adc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.19396",
    "kind": "arxiv",
    "version": 1
  }
}