Pith Number

pith:ZPU4PP7U

pith:2018:ZPU4PP7U5WFO6CYIXQC3QM43YT

not attested not anchored not stored refs pending

Open Petri Nets

Jade Master, John C. Baez

arxiv:1808.05415 v6 · 2018-08-16 · math.CT · 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{ZPU4PP7U5WFO6CYIXQC3QM43YT}

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	2026-07-05T04:42:52.192588Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cbe9c7bff4ed8aef0b08bc05b8339bc4eb98b1b91fc6a6b48f68eefc2d5c3370

Aliases

arxiv: 1808.05415 · arxiv_version: 1808.05415v6 · doi: 10.48550/arxiv.1808.05415 · pith_short_12: ZPU4PP7U5WFO · pith_short_16: ZPU4PP7U5WFO6CYI · pith_short_8: ZPU4PP7U

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/ZPU4PP7U5WFO6CYIXQC3QM43YT \
  | 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: cbe9c7bff4ed8aef0b08bc05b8339bc4eb98b1b91fc6a6b48f68eefc2d5c3370

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c439c07e824f121785cf3d4fc08f48444d9dd37315a03ad55030976c9fe0fff4",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2018-08-16T11:04:45Z",
    "title_canon_sha256": "21e976cc39b6a6b7a78bd241e72542448702a410b63f607ce3ec662cc7e3da62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.05415",
    "kind": "arxiv",
    "version": 6
  }
}