Pith Number

pith:MZHNK3WI

pith:2013:MZHNK3WIXBNL7TUVHWMMLFYDXM

not attested not anchored not stored refs pending

Static Analysis for Regular Expression Denial-of-Service Attacks

Asiri Rathnayake, Hayo Thielecke, James Kirrage

arxiv:1301.0849 v1 · 2013-01-04 · cs.PL · 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{MZHNK3WIXBNL7TUVHWMMLFYDXM}

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	2026-05-18T03:37:07.554251Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

664ed56ec8b85abfce953d98c59703bb0e01ff351b3eb637b88fb3b5597cf10c

Aliases

arxiv: 1301.0849 · arxiv_version: 1301.0849v1 · doi: 10.48550/arxiv.1301.0849 · pith_short_12: MZHNK3WIXBNL · pith_short_16: MZHNK3WIXBNL7TUV · pith_short_8: MZHNK3WI

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/MZHNK3WIXBNL7TUVHWMMLFYDXM \
  | 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: 664ed56ec8b85abfce953d98c59703bb0e01ff351b3eb637b88fb3b5597cf10c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6406c3d7141eb90c9a96d174bee2cb93c17c10ba3a0d7dc24acc2d9f03f5d31c",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2013-01-04T23:54:49Z",
    "title_canon_sha256": "65349fba5f6a8db7f0f7d9f9d2337843088d82b881146a7068a0fbf1ff097f71"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.0849",
    "kind": "arxiv",
    "version": 1
  }
}