Pith Number

pith:3Y6P2XRL

pith:2017:3Y6P2XRLV4TGV4VB5VGAH3A3VW

not attested not anchored not stored refs pending

Von Neumann Regular Cellular Automata

Alonso Castillo-Ramirez, Maximilien Gadouleau

arxiv:1701.02692 v3 · 2017-01-10 · math.GR · cs.DM · cs.FL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3Y6P2XRLV4TGV4VB5VGAH3A3VW}

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	2026-05-18T00:43:39.447606Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de3cfd5e2baf266af2a1ed4c03ec1bada1bc5e838d08853f3cfd677b5d0e6a17

Aliases

arxiv: 1701.02692 · arxiv_version: 1701.02692v3 · doi: 10.48550/arxiv.1701.02692 · pith_short_12: 3Y6P2XRLV4TG · pith_short_16: 3Y6P2XRLV4TGV4VB · pith_short_8: 3Y6P2XRL

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/3Y6P2XRLV4TGV4VB5VGAH3A3VW \
  | 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: de3cfd5e2baf266af2a1ed4c03ec1bada1bc5e838d08853f3cfd677b5d0e6a17

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5dd3a40120f71ca42af44d8a229b9d67c2d39432d5addd4f12e4442ffc28668",
    "cross_cats_sorted": [
      "cs.DM",
      "cs.FL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2017-01-10T17:12:29Z",
    "title_canon_sha256": "f043c4e0a65e256bd35ae8ac67f0ed3f412625de0531c9e59e805c9f5c41a8da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.02692",
    "kind": "arxiv",
    "version": 3
  }
}