Pith Number

pith:OSMCHAOC

pith:2013:OSMCHAOCWGIS2QYLFGBLR74CN5

not attested not anchored not stored refs pending

Sequences of preimages in elementary cellular automata

Henryk Fuk\'s

arxiv:1305.6533 v1 · 2013-05-28 · nlin.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OSMCHAOCWGIS2QYLFGBLR74CN5}

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	2026-05-18T03:24:40.516704Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74982381c2b1912d430b2982b8ff826f7c14ceffc12c7bc8a3738df410bcf647

Aliases

arxiv: 1305.6533 · arxiv_version: 1305.6533v1 · doi: 10.48550/arxiv.1305.6533 · pith_short_12: OSMCHAOCWGIS · pith_short_16: OSMCHAOCWGIS2QYL · pith_short_8: OSMCHAOC

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/OSMCHAOCWGIS2QYLFGBLR74CN5 \
  | 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: 74982381c2b1912d430b2982b8ff826f7c14ceffc12c7bc8a3738df410bcf647

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db9657d30dbdf885d57f165cdac1afcbb9b395e6a8359ca350eb42cdd310e509",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.CG",
    "submitted_at": "2013-05-28T15:30:44Z",
    "title_canon_sha256": "9b9602493f5e112c0fe16f2e4c683b4998a6db6de7417738d256ba4812d88933"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.6533",
    "kind": "arxiv",
    "version": 1
  }
}