Pith Number

pith:74DCA6VD

pith:2018:74DCA6VDHU7SJ5QDZU6JKHCLT4

not attested not anchored not stored refs pending

On weak universality of three-dimensional Larger than Life cellular automaton

Katsunobu Imai, Kyosuke Oroji, Tomohiro Kubota

arxiv:1803.06514 v1 · 2018-03-17 · 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{74DCA6VDHU7SJ5QDZU6JKHCLT4}

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	2026-05-18T00:20:45.707148Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff06207aa33d3f24f603cd3c951c4b9f0cc9bfe7e2109ef03eb69fc7ccefb4e0

Aliases

arxiv: 1803.06514 · arxiv_version: 1803.06514v1 · doi: 10.48550/arxiv.1803.06514 · pith_short_12: 74DCA6VDHU7S · pith_short_16: 74DCA6VDHU7SJ5QD · pith_short_8: 74DCA6VD

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/74DCA6VDHU7SJ5QDZU6JKHCLT4 \
  | 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: ff06207aa33d3f24f603cd3c951c4b9f0cc9bfe7e2109ef03eb69fc7ccefb4e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c33f530b21fbcad98a74ed108383f3a753d860bde1ce892fc33464c2d793080",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.CG",
    "submitted_at": "2018-03-17T14:18:41Z",
    "title_canon_sha256": "42f4ad71e5b025fbe0d9a6db5aae0867b36160488b7bf58f88d5f470d8dfadc7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.06514",
    "kind": "arxiv",
    "version": 1
  }
}