Pith Number

pith:Q7KWTGN7

pith:2019:Q7KWTGN7OSYWKBKNHRBKH6PE5I

not attested not anchored not stored refs pending

Residuation in lattice effect algebras

Helmut L\"anger, Ivan Chajda

arxiv:1905.05496 v1 · 2019-05-14 · 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{Q7KWTGN7OSYWKBKNHRBKH6PE5I}

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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.

Cited by

1 paper in Pith

Unsharp residuation in effect algebras

Receipt and verification

First computed	2026-05-17T23:46:16.311327Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87d56999bf74b165054d3c42a3f9e4ea3bcd5510459bf137e274e0ef7e906dc6

Aliases

arxiv: 1905.05496 · arxiv_version: 1905.05496v1 · doi: 10.48550/arxiv.1905.05496 · pith_short_12: Q7KWTGN7OSYW · pith_short_16: Q7KWTGN7OSYWKBKN · pith_short_8: Q7KWTGN7

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/Q7KWTGN7OSYWKBKNHRBKH6PE5I \
  | 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: 87d56999bf74b165054d3c42a3f9e4ea3bcd5510459bf137e274e0ef7e906dc6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2cf5e194dcc355125c4226d53b55323dc6b96103179d5cd53d2a5cf856ba59e3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2019-05-14T10:11:24Z",
    "title_canon_sha256": "9743d65a62d06e243d47cbd99c54d1630aa9a8e9153208ed5264e7b4ceafa5ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.05496",
    "kind": "arxiv",
    "version": 1
  }
}