Pith Number

pith:OYUEHBGU

pith:2011:OYUEHBGUGHGDZM7JMJV2AKEOWA

not attested not anchored not stored refs pending

Traced communication complexity of cellular automata

Eric Goles, Ivan Rapaport, Pierre Guillon

arxiv:1102.3522 v1 · 2011-02-17 · cs.FL · 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{OYUEHBGUGHGDZM7JMJV2AKEOWA}

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	2026-05-18T04:28:28.904051Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76284384d431cc3cb3e9626ba0288eb01288b6c1e6e2a0bf436f6682e6aabaaa

Aliases

arxiv: 1102.3522 · arxiv_version: 1102.3522v1 · doi: 10.48550/arxiv.1102.3522 · pith_short_12: OYUEHBGUGHGD · pith_short_16: OYUEHBGUGHGDZM7J · pith_short_8: OYUEHBGU

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/OYUEHBGUGHGDZM7JMJV2AKEOWA \
  | 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: 76284384d431cc3cb3e9626ba0288eb01288b6c1e6e2a0bf436f6682e6aabaaa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f355cd52c2f537dfe69d2cad13360b8346c467aefb9d23425acaef8943fae153",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2011-02-17T08:27:35Z",
    "title_canon_sha256": "36365dcb9e2e073d49da1b826d08e8f50b15915e0be02ce083370d8d9440bfde"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.3522",
    "kind": "arxiv",
    "version": 1
  }
}