Pith Number

pith:4QUGMVOK

pith:2018:4QUGMVOK4CDZKX4KJY7IAZN5QY

not attested not anchored not stored refs pending

Coupled right orthosemirings induced by orthomodular lattices

Helmut L\"anger, Ivan Chajda

arxiv:1809.09537 v1 · 2018-09-25 · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4QUGMVOK4CDZKX4KJY7IAZN5QY}

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	2026-05-18T00:04:50.851416Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4286655cae087955f8a4e3e8065bd861d736161a89b7c2bdfd31c2196f57a02

Aliases

arxiv: 1809.09537 · arxiv_version: 1809.09537v1 · doi: 10.48550/arxiv.1809.09537 · pith_short_12: 4QUGMVOK4CDZ · pith_short_16: 4QUGMVOK4CDZKX4K · pith_short_8: 4QUGMVOK

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/4QUGMVOK4CDZKX4KJY7IAZN5QY \
  | 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: e4286655cae087955f8a4e3e8065bd861d736161a89b7c2bdfd31c2196f57a02

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd269f560ddaf7990a7e07c4ca0cfa878907383ca7fcd4af5ce8c40c24990156",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2018-09-25T15:15:12Z",
    "title_canon_sha256": "23dece9f69f92880c7574df512b42714fe3335a7ec1d2f0a43a20c981aaffaaa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.09537",
    "kind": "arxiv",
    "version": 1
  }
}