Pith Number

pith:SFPPOB7S

pith:2022:SFPPOB7SD5PJKOMIVL2EI5SUWL

not attested not anchored not stored refs pending

Step Size is a Consequential Parameter in Continuous Cellular Automata

Josh Bongard, Q. Tyrell Davis

arxiv:2205.12728 v1 · 2022-05-20 · nlin.CG · cs.OH · nlin.AO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SFPPOB7SD5PJKOMIVL2EI5SUWL}

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	2026-07-05T04:26:29.255712Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

915ef707f21f5e953988aaf4447654b2c20749b44e9be01a80d6e4b0ec3bfb4d

Aliases

arxiv: 2205.12728 · arxiv_version: 2205.12728v1 · doi: 10.48550/arxiv.2205.12728 · pith_short_12: SFPPOB7SD5PJ · pith_short_16: SFPPOB7SD5PJKOMI · pith_short_8: SFPPOB7S

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/SFPPOB7SD5PJKOMIVL2EI5SUWL \
  | 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: 915ef707f21f5e953988aaf4447654b2c20749b44e9be01a80d6e4b0ec3bfb4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14311eb2081e8f8a34c25613f4c47a5418821b0f41014bbe1e1305fbf82b8fbd",
    "cross_cats_sorted": [
      "cs.OH",
      "nlin.AO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.CG",
    "submitted_at": "2022-05-20T23:41:06Z",
    "title_canon_sha256": "ff2be2778fd9a38c8a24e73c3c6806dd996d52bf7af2225759803d74883da43e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.12728",
    "kind": "arxiv",
    "version": 1
  }
}