Pith Number

pith:RE5PTMB4

pith:2018:RE5PTMB4AO3LBWUD3OXJAG2PA4

not attested not anchored not stored refs pending

Von Neumann regularity, split epicness and elementary cellular automata

Ville Salo

arxiv:1804.03913 v3 · 2018-04-11 · cs.FL · math.DS · 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{RE5PTMB4AO3LBWUD3OXJAG2PA4}

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	2026-05-18T00:03:41.420976Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

893af9b03c03b6b0da83dbae901b4f071139240cf32484c8481b4657dd3dff4d

Aliases

arxiv: 1804.03913 · arxiv_version: 1804.03913v3 · doi: 10.48550/arxiv.1804.03913 · pith_short_12: RE5PTMB4AO3L · pith_short_16: RE5PTMB4AO3LBWUD · pith_short_8: RE5PTMB4

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/RE5PTMB4AO3LBWUD3OXJAG2PA4 \
  | 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: 893af9b03c03b6b0da83dbae901b4f071139240cf32484c8481b4657dd3dff4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "845f1a7e6e8fa6c4cb33c22e84652f51dd7d463f7055c13ae2d4462215d86100",
    "cross_cats_sorted": [
      "math.DS",
      "nlin.CG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2018-04-11T10:36:56Z",
    "title_canon_sha256": "68658ffb4fa6da986e926ec339288b4814cf8e552a61f791e7d9e5931c492862"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.03913",
    "kind": "arxiv",
    "version": 3
  }
}