Pith Number

pith:QRKM4J3J

pith:2014:QRKM4J3JAZBDIIRWH6IFRBK3W3

not attested not anchored not stored refs pending

A general view of the algebraic semantics of \L ukasiewicz logic with product

Ioana Leustean, Serafina Lapenta

arxiv:1411.4987 v4 · 2014-11-18 · 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{QRKM4J3JAZBDIIRWH6IFRBK3W3}

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	2026-05-18T00:05:24.358623Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8454ce276906423422363f9058855bb6fac88b34fe6b3e3681baa688fe79da3c

Aliases

arxiv: 1411.4987 · arxiv_version: 1411.4987v4 · doi: 10.48550/arxiv.1411.4987 · pith_short_12: QRKM4J3JAZBD · pith_short_16: QRKM4J3JAZBDIIRW · pith_short_8: QRKM4J3J

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/QRKM4J3JAZBDIIRWH6IFRBK3W3 \
  | 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: 8454ce276906423422363f9058855bb6fac88b34fe6b3e3681baa688fe79da3c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b0fd80cdf5fb83e1b675dcdfe673aca33b490d77cd6766da39289b8aa62b6402",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2014-11-18T19:55:12Z",
    "title_canon_sha256": "d2639d8f2de71745aedf783b431cf926224f5701f28ea9a313c89a9421f3f5fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.4987",
    "kind": "arxiv",
    "version": 4
  }
}