Pith Number

pith:D6PXCUVJ

pith:2020:D6PXCUVJTRHDEAQCWCLYTOR6JS

not attested not anchored not stored refs pending

Simplified Game of Life: Algorithms and Complexity

Isma\"el Jecker, Jakub Svoboda, Krishnendu Chatterjee, Rasmus Ibsen-Jensen

arxiv:2007.02894 v1 · 2020-07-06 · 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{D6PXCUVJTRHDEAQCWCLYTOR6JS}

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	2026-07-05T04:21:01.399374Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f9f7152a99c4e320202b09789ba3e4cb5ef60ed2806b187efbaed4ec07ad34f

Aliases

arxiv: 2007.02894 · arxiv_version: 2007.02894v1 · doi: 10.48550/arxiv.2007.02894 · pith_short_12: D6PXCUVJTRHD · pith_short_16: D6PXCUVJTRHDEAQC · pith_short_8: D6PXCUVJ

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/D6PXCUVJTRHDEAQCWCLYTOR6JS \
  | 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: 1f9f7152a99c4e320202b09789ba3e4cb5ef60ed2806b187efbaed4ec07ad34f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a3e392aa3baee9ba073c2005ad39824f184de22a29bbe3ec23c77dc234b532c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.CG",
    "submitted_at": "2020-07-06T17:13:02Z",
    "title_canon_sha256": "8840fe54326a3a3bf1ea20e8bc8a137d7ac4f7819a965540ecc36de28c17b44d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.02894",
    "kind": "arxiv",
    "version": 1
  }
}