Pith Number

pith:LLZNNXD7

pith:2014:LLZNNXD7HCHSNACS2VUR4E746P

not attested not anchored not stored refs pending

Unification and Projectivity in De Morgan and Kleene Algebras

Leonardo Cabrer, Simone Bova

arxiv:1401.3576 v1 · 2014-01-15 · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LLZNNXD7HCHSNACS2VUR4E746P}

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	2026-05-18T03:02:08.363557Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5af2d6dc7f388f268052d5691e13fcf3d0f52166f702ae790671f4d6fd0289a5

Aliases

arxiv: 1401.3576 · arxiv_version: 1401.3576v1 · doi: 10.48550/arxiv.1401.3576 · pith_short_12: LLZNNXD7HCHS · pith_short_16: LLZNNXD7HCHSNACS · pith_short_8: LLZNNXD7

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/LLZNNXD7HCHSNACS2VUR4E746P \
  | 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: 5af2d6dc7f388f268052d5691e13fcf3d0f52166f702ae790671f4d6fd0289a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "742f6808b058af35dfe5637e5f5c0a1fd68f503abdaf002c5df452b31a31f0e5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2014-01-15T13:32:03Z",
    "title_canon_sha256": "935b3f4fc646a27cde3337dbb66c06d86b29cfb6f5375cca3266dd5780ec359d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.3576",
    "kind": "arxiv",
    "version": 1
  }
}