Pith Number

pith:WT5VWXXI

pith:2014:WT5VWXXIGMYNL3JHL3XA7WM245

not attested not anchored not stored refs pending

Quantumness of discrete Hamiltonian cellular automata

Hans-Thomas Elze

arxiv:1407.2160 v1 · 2014-07-08 · quant-ph · gr-qc · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WT5VWXXIGMYNL3JHL3XA7WM245}

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	2026-05-18T02:40:38.281876Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4fb5b5ee83330d5ed275eee0fd99ae771bcb952140146921ce28411ee2bbc37

Aliases

arxiv: 1407.2160 · arxiv_version: 1407.2160v1 · doi: 10.48550/arxiv.1407.2160 · pith_short_12: WT5VWXXIGMYN · pith_short_16: WT5VWXXIGMYNL3JH · pith_short_8: WT5VWXXI

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/WT5VWXXIGMYNL3JHL3XA7WM245 \
  | 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: b4fb5b5ee83330d5ed275eee0fd99ae771bcb952140146921ce28411ee2bbc37

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a39cd5a099881463a579ed51a4da08389523de947c75006a920e6998acd53cae",
    "cross_cats_sorted": [
      "gr-qc",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-07-08T16:17:26Z",
    "title_canon_sha256": "25812655e86d60fcb9dda4cf5306a4638692c1f1e573a42d520a06c2ed10257e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.2160",
    "kind": "arxiv",
    "version": 1
  }
}