Pith Number

pith:TYGKVETZ

pith:2012:TYGKVETZ3K3RBIERSXNPF2YDIJ

not attested not anchored not stored refs pending

On the Parity Problem in One-Dimensional Cellular Automata

Brazil), Canada), Heater Betel (University of Ottawa, Paola Flocchini (University of Ottawa, Pedro P. B. de Oliveira (Universidade Presbiteriana Mackenzie

arxiv:1208.2758 v1 · 2012-08-14 · cs.FL · cs.CC · cs.DM · 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{TYGKVETZ3K3RBIERSXNPF2YDIJ}

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	2026-05-18T03:48:47.406265Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e0caa9279dab710a09195daf2eb03425ae447a8f5315aa914ed535991b7d2d7

Aliases

arxiv: 1208.2758 · arxiv_version: 1208.2758v1 · doi: 10.48550/arxiv.1208.2758 · pith_short_12: TYGKVETZ3K3R · pith_short_16: TYGKVETZ3K3RBIER · pith_short_8: TYGKVETZ

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/TYGKVETZ3K3RBIERSXNPF2YDIJ \
  | 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: 9e0caa9279dab710a09195daf2eb03425ae447a8f5315aa914ed535991b7d2d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe2f92c99e9c29bf058363d58038c5098e6cfba76c1e174abbe30c38f1af62c3",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.DM",
      "nlin.CG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2012-08-14T01:54:58Z",
    "title_canon_sha256": "5310fcd82d25a4c77bb9a0c9151148f94cad02cfe30c65f3834e8362fb68f615"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.2758",
    "kind": "arxiv",
    "version": 1
  }
}