Pith Number

pith:XXJMTGU7

pith:2014:XXJMTGU7JVXMOIR6JVPAXQCDR7

not attested not anchored not stored refs pending

Turing degrees of limit sets of cellular automata

Alex Borello (LACL), Julien Cervelle (LACL), Pascal Vanier

arxiv:1402.3766 v1 · 2014-02-16 · cs.FL · 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{XXJMTGU7JVXMOIR6JVPAXQCDR7}

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	2026-05-18T02:58:47.030453Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bdd2c99a9f4d6ec7223e4d5e0bc0438fd946b96efff189ea7031ea124076f17a

Aliases

arxiv: 1402.3766 · arxiv_version: 1402.3766v1 · doi: 10.48550/arxiv.1402.3766 · pith_short_12: XXJMTGU7JVXM · pith_short_16: XXJMTGU7JVXMOIR6 · pith_short_8: XXJMTGU7

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/XXJMTGU7JVXMOIR6JVPAXQCDR7 \
  | 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: bdd2c99a9f4d6ec7223e4d5e0bc0438fd946b96efff189ea7031ea124076f17a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6571e88da4a1f64ba267c16b8503106a63e5ccf1866c8987e4ea47d8acd468e9",
    "cross_cats_sorted": [
      "nlin.CG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2014-02-16T07:01:24Z",
    "title_canon_sha256": "204d62b972584f22394c661ce5acb68da0ea716b4b4f06c5c68e52039f483f10"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.3766",
    "kind": "arxiv",
    "version": 1
  }
}