Pith Number

pith:MZOZCL4I

pith:2012:MZOZCL4IZH6PXA2OI7SBWCMI2X

not attested not anchored not stored refs pending

Cellular automata on regular rooted trees

Francesca Fiorenzi, Michel Coornaert, Tullio Ceccherini-Silberstein, Zoran Sunic

arxiv:1205.6785 v1 · 2012-05-30 · cs.FL · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MZOZCL4IZH6PXA2OI7SBWCMI2X}

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	2026-05-18T03:44:33.513032Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

665d912f88c9fcfb834e47e41b0988d5c9605c5976518365ee6107f9657a3910

Aliases

arxiv: 1205.6785 · arxiv_version: 1205.6785v1 · doi: 10.48550/arxiv.1205.6785 · pith_short_12: MZOZCL4IZH6P · pith_short_16: MZOZCL4IZH6PXA2O · pith_short_8: MZOZCL4I

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/MZOZCL4IZH6PXA2OI7SBWCMI2X \
  | 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: 665d912f88c9fcfb834e47e41b0988d5c9605c5976518365ee6107f9657a3910

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46062a9224c31a9ad276538383e6f51db4000dbc951e4b15d69dc97483bd14ab",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2012-05-30T19:34:26Z",
    "title_canon_sha256": "d90a272b53c739e7aebf210fdf864ec7abf81b30c4c6077ac28594a5d9430ae8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.6785",
    "kind": "arxiv",
    "version": 1
  }
}