Pith Number

pith:CXKJAA73

pith:2012:CXKJAA73UGHV2R3B3P5UYL66TA

not attested not anchored not stored refs pending

About a low complexity class of Cellular Automata

Pierre Tisseur (CMCC)

arxiv:1206.5925 v2 · 2012-06-26 · 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{CXKJAA73UGHV2R3B3P5UYL66TA}

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	2026-05-18T03:52:27.741498Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15d49003fba18f5d4761dbfb4c2fde98076947f870914b29b7ab6b47cc8b6dee

Aliases

arxiv: 1206.5925 · arxiv_version: 1206.5925v2 · doi: 10.48550/arxiv.1206.5925 · pith_short_12: CXKJAA73UGHV · pith_short_16: CXKJAA73UGHV2R3B · pith_short_8: CXKJAA73

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/CXKJAA73UGHV2R3B3P5UYL66TA \
  | 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: 15d49003fba18f5d4761dbfb4c2fde98076947f870914b29b7ab6b47cc8b6dee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce1a49dc86f32370302c7c56ac8d4187ce62b918586eab722f787331292f86a8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2012-06-26T08:54:02Z",
    "title_canon_sha256": "8dda11c489368be9555cbdb0de2899159a724c679f094463fcb3f81b71bbda4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.5925",
    "kind": "arxiv",
    "version": 2
  }
}