Pith Number

pith:UJ3WISM3

pith:2012:UJ3WISM3EMS6TXFMI32VDMU5XF

not attested not anchored not stored refs pending

Membrane Systems and Petri Net Synthesis

Grzegorz Rozenberg, Jetty Kleijn, Maciej Koutny, Marta Pietkiewicz-Koutny

arxiv:1211.4090 v1 · 2012-11-17 · cs.LO · cs.ET

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UJ3WISM3EMS6TXFMI32VDMU5XF}

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	2026-05-18T03:40:28.097745Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a27764499b2325e9dcac46f551b29db96ba3ce3a9b80090ffb4398455c2cd742

Aliases

arxiv: 1211.4090 · arxiv_version: 1211.4090v1 · doi: 10.48550/arxiv.1211.4090 · pith_short_12: UJ3WISM3EMS6 · pith_short_16: UJ3WISM3EMS6TXFM · pith_short_8: UJ3WISM3

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/UJ3WISM3EMS6TXFMI32VDMU5XF \
  | 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: a27764499b2325e9dcac46f551b29db96ba3ce3a9b80090ffb4398455c2cd742

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0fb50bf76c7004eb44e40c223b80f9c25ecae365e896e90319dddc210dadbbfa",
    "cross_cats_sorted": [
      "cs.ET"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2012-11-17T09:14:33Z",
    "title_canon_sha256": "c457ead90dd3a359b5a26fb957840ba97ba099f87c6761751afef54023ae9d33"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.4090",
    "kind": "arxiv",
    "version": 1
  }
}