Pith Number

pith:EUBFDUHK

pith:2023:EUBFDUHKFJVJZJGIRTZZERDLMN

not attested not anchored not stored refs pending

On Certificates, Expected Runtimes, and Termination in Probabilistic Pushdown Automata

Joost-Pieter Katoen, Tobias Winkler

arxiv:2304.09997 v2 · 2023-04-19 · cs.FL · 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{EUBFDUHKFJVJZJGIRTZZERDLMN}

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	2026-07-05T06:03:28.939768Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

250251d0ea2a6a9ca4c88cf392446b6365b633b08b6a6369e8e4caf830d66327

Aliases

arxiv: 2304.09997 · arxiv_version: 2304.09997v2 · doi: 10.48550/arxiv.2304.09997 · pith_short_12: EUBFDUHKFJVJ · pith_short_16: EUBFDUHKFJVJZJGI · pith_short_8: EUBFDUHK

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/EUBFDUHKFJVJZJGIRTZZERDLMN \
  | 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: 250251d0ea2a6a9ca4c88cf392446b6365b633b08b6a6369e8e4caf830d66327

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba9fb2f4f9b23f998eafced6cefaade72c5f16cbccacf51f8e3fc137fe517c96",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2023-04-19T22:18:53Z",
    "title_canon_sha256": "ca05829416b16f6e6b406291bc9a49bec20412bd91d032b58f481b9cf8bc43a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2304.09997",
    "kind": "arxiv",
    "version": 2
  }
}