Pith Number

pith:KX4IW42E

pith:2015:KX4IW42ERGBO6EK64JIXWNFMUI

not attested not anchored not stored refs pending

Exploring Ancient Architectural Designs with Cellular Automata

Hokky Situngkir

arxiv:1508.03610 v1 · 2015-08-13 · cs.CY · 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{KX4IW42ERGBO6EK64JIXWNFMUI}

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	2026-05-18T01:35:17.142695Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

55f88b73448982ef115ee2517b34aca20946ff65b236c065ed6263b8d1b17f4d

Aliases

arxiv: 1508.03610 · arxiv_version: 1508.03610v1 · doi: 10.48550/arxiv.1508.03610 · pith_short_12: KX4IW42ERGBO · pith_short_16: KX4IW42ERGBO6EK6 · pith_short_8: KX4IW42E

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/KX4IW42ERGBO6EK64JIXWNFMUI \
  | 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: 55f88b73448982ef115ee2517b34aca20946ff65b236c065ed6263b8d1b17f4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a39afb8a5f61289b6cf63226dc8a3cce05032e950e99b5a025da74c55ccbc3e2",
    "cross_cats_sorted": [
      "nlin.CG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2015-08-13T17:46:07Z",
    "title_canon_sha256": "192dd24daafdf11ba87b5418ddc5b7db3d0c5c8a3a1163dad5f3e0d3c52cae4b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.03610",
    "kind": "arxiv",
    "version": 1
  }
}