Pith Number

pith:WWXTH3YQ

pith:2026:WWXTH3YQP6OPWNQ2GWYSQF2XY3

not attested not anchored not stored refs pending

PUFFERDOS: Efficient and Effective Attack String Generation for Regular Expression Denial of Service Vulnerabilities

Benjamin Turnbull, Nan Sun, Shangzhi Xu, Shuangxiang Kan, Siqi Ma, Xiao Cheng, Yuekang Li, Ziqi Ding

arxiv:2606.19654 v1 · 2026-06-17 · cs.CR · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WWXTH3YQP6OPWNQ2GWYSQF2XY3}

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	2026-06-19T16:12:31.376629Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5af33ef107f9cfb361a35b1281757c6d954da984c1e203300688d26dc85e770

Aliases

arxiv: 2606.19654 · arxiv_version: 2606.19654v1 · doi: 10.48550/arxiv.2606.19654 · pith_short_12: WWXTH3YQP6OP · pith_short_16: WWXTH3YQP6OPWNQ2 · pith_short_8: WWXTH3YQ

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/WWXTH3YQP6OPWNQ2GWYSQF2XY3 \
  | 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: b5af33ef107f9cfb361a35b1281757c6d954da984c1e203300688d26dc85e770

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67f4e1b7057e9b6ffe24137504767d799cb287fae3eacee37907ae62aa65e2f0",
    "cross_cats_sorted": [
      "cs.SE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2026-06-17T23:38:37Z",
    "title_canon_sha256": "412747dc6866e7081d42c651d881359b51dbf7b6c849336f609c310205926f9c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.19654",
    "kind": "arxiv",
    "version": 1
  }
}