Pith Number

pith:XNMWZ5OU

pith:2014:XNMWZ5OU6C37DUCQNCGDUPC4SA

not attested not anchored not stored refs pending

Error-prone cellular automata as metaphors of immunity as computation

K\'atia K. Cassiano, Valmir C. Barbosa

arxiv:1401.3363 v1 · 2014-01-14 · 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{XNMWZ5OU6C37DUCQNCGDUPC4SA}

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	2026-05-18T00:30:55.689794Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb596cf5d4f0b7f1d050688c3a3c5c9012402a25b5b5cc17a1049553438547cc

Aliases

arxiv: 1401.3363 · arxiv_version: 1401.3363v1 · doi: 10.48550/arxiv.1401.3363 · pith_short_12: XNMWZ5OU6C37 · pith_short_16: XNMWZ5OU6C37DUCQ · pith_short_8: XNMWZ5OU

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/XNMWZ5OU6C37DUCQNCGDUPC4SA \
  | 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: bb596cf5d4f0b7f1d050688c3a3c5c9012402a25b5b5cc17a1049553438547cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "032f673a639c66f9aa3d071b8822aba446de7aa135b0a90e9cf57ce38b445a4d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.CG",
    "submitted_at": "2014-01-14T21:32:02Z",
    "title_canon_sha256": "0d0a13654d2ca000e32f12f83fea25787764699a4c24aae7d01c1b40805205ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.3363",
    "kind": "arxiv",
    "version": 1
  }
}