Pith Number

pith:EZ5ILNMB

pith:2025:EZ5ILNMBXQ65EGS7XSVXZZ7H72

not attested not anchored not stored refs pending

Neural cellular automata: applications to biology and beyond classical AI

Benedikt Hartl, L\'eo Pio-Lopez, Michael Levin

arxiv:2509.11131 v1 · 2025-09-14 · cs.AI · cs.MA · q-bio.OT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EZ5ILNMBXQ65EGS7XSVXZZ7H72}

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	2026-07-05T12:11:33.949390Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

267a85b581bc3dd21a5fbcab7ce7e7fe8724d2d03b6cdb97648be71841c1241c

Aliases

arxiv: 2509.11131 · arxiv_version: 2509.11131v1 · doi: 10.48550/arxiv.2509.11131 · pith_short_12: EZ5ILNMBXQ65 · pith_short_16: EZ5ILNMBXQ65EGS7 · pith_short_8: EZ5ILNMB

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/EZ5ILNMBXQ65EGS7XSVXZZ7H72 \
  | 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: 267a85b581bc3dd21a5fbcab7ce7e7fe8724d2d03b6cdb97648be71841c1241c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "148bbc60c0f01485c8cb8e0dac79784da7c0c6bdf0eba3f2c58331f9e3bd90cb",
    "cross_cats_sorted": [
      "cs.MA",
      "q-bio.OT"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2025-09-14T06:55:29Z",
    "title_canon_sha256": "9a2edb63818877a0b407ae94efb107be7ba76493353c301c93b79c93e21394fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.11131",
    "kind": "arxiv",
    "version": 1
  }
}