Pith Number

pith:CDUOYBGI

pith:2019:CDUOYBGIAPE5UTRPKXQTGWZPCD

not attested not anchored not stored refs pending

Parameterized Analysis of Immediate Observation Petri Nets

Chana Weil-Kennedy, Javier Esparza, Mikhail Raskin

arxiv:1902.03025 v2 · 2019-02-08 · 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{CDUOYBGIAPE5UTRPKXQTGWZPCD}

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	2026-05-17T23:49:59.282960Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

10e8ec04c803c9da4e2f55e1335b2f10c2e321082f32a5cc16ff62db288360f4

Aliases

arxiv: 1902.03025 · arxiv_version: 1902.03025v2 · doi: 10.48550/arxiv.1902.03025 · pith_short_12: CDUOYBGIAPE5 · pith_short_16: CDUOYBGIAPE5UTRP · pith_short_8: CDUOYBGI

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/CDUOYBGIAPE5UTRPKXQTGWZPCD \
  | 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: 10e8ec04c803c9da4e2f55e1335b2f10c2e321082f32a5cc16ff62db288360f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0942c4fc41e641f79b6dc61d231287f56aaa4c1a83b267b5d5c15bf5c6164fa2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2019-02-08T11:30:41Z",
    "title_canon_sha256": "154463cee39222cc7df7ca48e1e60d21008621944a86059c1c67e6a49e12b9cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.03025",
    "kind": "arxiv",
    "version": 2
  }
}