Pith Number

pith:F336JE7I

pith:2010:F336JE7I2NTQ4352YHLEYRGFVD

not attested not anchored not stored refs pending

Bacteria inspired patterns grown with hyperbolic cellular automata

Maurice Margenstern

arxiv:1012.2771 v1 · 2010-12-13 · cs.FL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F336JE7I2NTQ4352YHLEYRGFVD}

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	2026-05-18T04:33:27.797601Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ef7e493e8d3670e6fbac1d64c44c5a8dd6d2f3919ae18f068b87b59b0d8b871

Aliases

arxiv: 1012.2771 · arxiv_version: 1012.2771v1 · doi: 10.48550/arxiv.1012.2771 · pith_short_12: F336JE7I2NTQ · pith_short_16: F336JE7I2NTQ4352 · pith_short_8: F336JE7I

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/F336JE7I2NTQ4352YHLEYRGFVD \
  | 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: 2ef7e493e8d3670e6fbac1d64c44c5a8dd6d2f3919ae18f068b87b59b0d8b871

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db1b18e6b282c31fa0a5ad64e890800c67532c32318ada08a3998e8f71cc264a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2010-12-13T15:43:29Z",
    "title_canon_sha256": "76fa5dfe5fe3e3172150f4967f631ed8d15e9d6b2932d31f54d5afe31bc1d29f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.2771",
    "kind": "arxiv",
    "version": 1
  }
}