Pith Number

pith:Q244GFPY

pith:2017:Q244GFPYLPYMHFPZCWQGNORA66

not attested not anchored not stored refs pending

Simple derivation of the Weyl and Dirac quantum cellular automata

Philippe Raynal

arxiv:1703.05890 v2 · 2017-03-17 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q244GFPYLPYMHFPZCWQGNORA66}

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	2026-05-18T00:40:58.554132Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86b9c315f85bf0c395f915a066ba20f7b53c02510dc773e1908e19d966d706a3

Aliases

arxiv: 1703.05890 · arxiv_version: 1703.05890v2 · doi: 10.48550/arxiv.1703.05890 · pith_short_12: Q244GFPYLPYM · pith_short_16: Q244GFPYLPYMHFPZ · pith_short_8: Q244GFPY

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/Q244GFPYLPYMHFPZCWQGNORA66 \
  | 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: 86b9c315f85bf0c395f915a066ba20f7b53c02510dc773e1908e19d966d706a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18b2aba29e5c05fc215bd9ef8cf64d996fee9d5aa87f26e5a79c1cceb8b575c0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-03-17T05:06:35Z",
    "title_canon_sha256": "b9e50add59b6f9acbc14a43a84d5ec3723b1eeac9b05090121872f353051842a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.05890",
    "kind": "arxiv",
    "version": 2
  }
}