Pith Number

pith:CHWHA5O5

pith:2018:CHWHA5O54OK335VBFOYFYBRLYU

not attested not anchored not stored refs pending

The generic limit set of cellular automata

Pierre Guillon (I2M), Saliha Djenaoui (UBMA)

arxiv:1808.08716 v2 · 2018-08-27 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CHWHA5O54OK335VBFOYFYBRLYU}

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	2026-05-17T23:46:41.679518Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11ec7075dde395bdf6a12bb05c062bc52f10806636baab488ae4ca2d0e9ad73a

Aliases

arxiv: 1808.08716 · arxiv_version: 1808.08716v2 · doi: 10.48550/arxiv.1808.08716 · pith_short_12: CHWHA5O54OK3 · pith_short_16: CHWHA5O54OK335VB · pith_short_8: CHWHA5O5

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/CHWHA5O54OK335VBFOYFYBRLYU \
  | 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: 11ec7075dde395bdf6a12bb05c062bc52f10806636baab488ae4ca2d0e9ad73a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47cf51a9a1a20bc01d7e6ff677b4ad38fff02f0d35c3e95c805f82c685a64ed6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2018-08-27T07:37:24Z",
    "title_canon_sha256": "b1b9097f9d57b554a930a8aca54b504b623009eefb4c6c1660a761b853173aaf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.08716",
    "kind": "arxiv",
    "version": 2
  }
}