Pith Number

pith:OCCGQX5P

pith:2022:OCCGQX5PV2MUQ523BLWWUWEPQZ

not attested not anchored not stored refs pending

An algorithm of finding rules for a class of cellular automata

Fangfang Zhang, Junhe Wan, Lei Kou, Luobing Chen, Quande Yuan, Wende Ke, Zhen Wang

arxiv:2209.12434 v1 · 2022-09-26 · nlin.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OCCGQX5PV2MUQ523BLWWUWEPQZ}

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	2026-07-05T06:55:49.461221Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7084685fafae9948775b0aed6a588f867dd0d012dc1fb1d365a8b836a8d78fc2

Aliases

arxiv: 2209.12434 · arxiv_version: 2209.12434v1 · doi: 10.48550/arxiv.2209.12434 · pith_short_12: OCCGQX5PV2MU · pith_short_16: OCCGQX5PV2MUQ523 · pith_short_8: OCCGQX5P

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/OCCGQX5PV2MUQ523BLWWUWEPQZ \
  | 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: 7084685fafae9948775b0aed6a588f867dd0d012dc1fb1d365a8b836a8d78fc2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "304d8f82e9d687a1c57c8bc91b4e621f4a5d1d0cbeec1db23ed8cdbef33c4011",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.CG",
    "submitted_at": "2022-09-26T05:47:05Z",
    "title_canon_sha256": "1bb3362ec32541d1b71e8d21c0a85773003554da27c43918308049c539312b60"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2209.12434",
    "kind": "arxiv",
    "version": 1
  }
}