Pith Number

pith:6O6PTKYD

pith:2025:6O6PTKYDII2YTVO6HQMN53BJRX

not attested not anchored not stored refs pending

Elementary Cellular Automata as Non-Cryptographic Hash Functions

Daniel McKinley

arxiv:2506.06551 v1 · 2025-06-06 · nlin.CG · 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{6O6PTKYDII2YTVO6HQMN53BJRX}

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	2026-07-05T11:17:51.975418Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3bcf9ab03423589d5de3c18deec298de48d7ec5ee2a3466bc9a014d9f6cab6f

Aliases

arxiv: 2506.06551 · arxiv_version: 2506.06551v1 · doi: 10.48550/arxiv.2506.06551 · pith_short_12: 6O6PTKYDII2Y · pith_short_16: 6O6PTKYDII2YTVO6 · pith_short_8: 6O6PTKYD

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/6O6PTKYDII2YTVO6HQMN53BJRX \
  | 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: f3bcf9ab03423589d5de3c18deec298de48d7ec5ee2a3466bc9a014d9f6cab6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37a034c6c25b65557edb9c7a9a7cde8b099302aceaf024d54bc531dcbaeba716",
    "cross_cats_sorted": [
      "cs.FL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "nlin.CG",
    "submitted_at": "2025-06-06T21:46:28Z",
    "title_canon_sha256": "5608e9c66e43f6332d82846486ade281e97ada61039deec2131befc1afb52f86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.06551",
    "kind": "arxiv",
    "version": 1
  }
}