Pith Number

pith:SJIPTUPP

pith:2017:SJIPTUPPDPWBIJ3JW2WSKJLMTC

not attested not anchored not stored refs pending

Computing Aggregate Properties of Preimages for 2D Cellular Automata

Randall D. Beer

arxiv:1711.04563 v1 · 2017-11-13 · 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{SJIPTUPPDPWBIJ3JW2WSKJLMTC}

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	2026-05-18T00:29:12.837590Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9250f9d1ef1bec142769b6ad25256c98a61929925fc5e1b3b090d8a9b2ee46b7

Aliases

arxiv: 1711.04563 · arxiv_version: 1711.04563v1 · doi: 10.48550/arxiv.1711.04563 · pith_short_12: SJIPTUPPDPWB · pith_short_16: SJIPTUPPDPWBIJ3J · pith_short_8: SJIPTUPP

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/SJIPTUPPDPWBIJ3JW2WSKJLMTC \
  | 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: 9250f9d1ef1bec142769b6ad25256c98a61929925fc5e1b3b090d8a9b2ee46b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5dad9d9ccd9fafa5d4c12a2f95349977fcd2bab784fe17f68a15e9e034cb12e1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.CG",
    "submitted_at": "2017-11-13T13:12:50Z",
    "title_canon_sha256": "579d35ebe4b70d636d1ae9cc42051d9012ceeaa7b64d9e9b8f8f356be2d8fbc3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.04563",
    "kind": "arxiv",
    "version": 1
  }
}