Pith Number

pith:3WVCHW4U

pith:2018:3WVCHW4UVPIQUOJMYLUMW75OBG

not attested not anchored not stored refs pending

Orthomodular lattices can be converted into left residuated l-groupoids

Helmut L\"anger, Ivan Chajda

arxiv:1810.00032 v1 · 2018-09-28 · math.RA · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3WVCHW4UVPIQUOJMYLUMW75OBG}

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	2026-05-18T00:04:29.005946Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ddaa23db94abd10a392cc2e8cb7fae09b8d00df0379e0c7a8c1208f3f3f45926

Aliases

arxiv: 1810.00032 · arxiv_version: 1810.00032v1 · doi: 10.48550/arxiv.1810.00032 · pith_short_12: 3WVCHW4UVPIQ · pith_short_16: 3WVCHW4UVPIQUOJM · pith_short_8: 3WVCHW4U

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/3WVCHW4UVPIQUOJMYLUMW75OBG \
  | 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: ddaa23db94abd10a392cc2e8cb7fae09b8d00df0379e0c7a8c1208f3f3f45926

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "473f0ea61c587d532dbd2e58c9fd3e3065a1a11782d438dedcbe9e891a9907d2",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2018-09-28T18:30:11Z",
    "title_canon_sha256": "d52e000dd4ea427358e433f43ad16c48d921ca0fab53c8751e50fe43d3763cc4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.00032",
    "kind": "arxiv",
    "version": 1
  }
}