Pith Number

pith:A4L4JYFP

pith:2012:A4L4JYFPY7GOF6T7KZ7BGSWEY6

not attested not anchored not stored refs pending

Sequential Voronoi diagram calculations using simple chemical reactions

Andy Adamatzky, Ben De Lacy Costello, Ishrat Jahan

arxiv:1211.2632 v1 · 2012-11-12 · nlin.PS · cs.CG · physics.chem-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A4L4JYFPY7GOF6T7KZ7BGSWEY6}

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	2026-05-18T03:41:02.218699Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0717c4e0afc7cce2fa7f567e134ac4c79714a5470887cef30cd4cc5d7cbce8d9

Aliases

arxiv: 1211.2632 · arxiv_version: 1211.2632v1 · doi: 10.48550/arxiv.1211.2632 · pith_short_12: A4L4JYFPY7GO · pith_short_16: A4L4JYFPY7GOF6T7 · pith_short_8: A4L4JYFP

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/A4L4JYFPY7GOF6T7KZ7BGSWEY6 \
  | 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: 0717c4e0afc7cce2fa7f567e134ac4c79714a5470887cef30cd4cc5d7cbce8d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "063fe48b10f3d943c01991c3c0f5b944f2e98fa018b21e38404605e380f7c1c2",
    "cross_cats_sorted": [
      "cs.CG",
      "physics.chem-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.PS",
    "submitted_at": "2012-11-12T14:28:10Z",
    "title_canon_sha256": "65868c9fe1b2052e16cc7e3d68e646122d98c9541c6ab2eb218a01491fd87ac8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.2632",
    "kind": "arxiv",
    "version": 1
  }
}