Pith Number

pith:OUOBAVOW

pith:2005:OUOBAVOW2TZ7QZQJUENKDCBNJK

not attested not anchored not stored refs pending

Model Checking Probabilistic Pushdown Automata

Antonin Kucera, Javier Esparza, Richard Mayr

arxiv:cs/0508003 v5 · 2005-07-31 · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OUOBAVOW2TZ7QZQJUENKDCBNJK}

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	2026-05-18T00:53:03.476225Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

751c1055d6d4f3f86609a11aa1882d4ab00d312e807434a3d056b79c84ae2382

Aliases

arxiv: cs/0508003 · arxiv_version: cs/0508003v5 · doi: 10.48550/arxiv.cs/0508003 · pith_short_12: OUOBAVOW2TZ7 · pith_short_16: OUOBAVOW2TZ7QZQJ · pith_short_8: OUOBAVOW

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/OUOBAVOW2TZ7QZQJUENKDCBNJK \
  | 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: 751c1055d6d4f3f86609a11aa1882d4ab00d312e807434a3d056b79c84ae2382

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f950da3e973ce3be318ed5a8f6fcd80a55d9949b4c3ef6f6000bb2a12b71a43e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cs.LO",
    "submitted_at": "2005-07-31T18:33:43Z",
    "title_canon_sha256": "748372d421c8f5479f408f5fd486ffe5103808eb6b596f44815a50a5d828baf4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0508003",
    "kind": "arxiv",
    "version": 5
  }
}