Pith Number

pith:GFRV5DAM

pith:2019:GFRV5DAMD5RO7EOPSCGWMBQ27O

not attested not anchored not stored refs pending

Ordinal Sums of Fuzzy Negations: Main Classes and Natural Negations

Annaxsuel A. de Lima, Benjam\'in Bedregal, Ivan Mezzomo

arxiv:1905.07551 v1 · 2019-05-18 · math.LO · cs.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{GFRV5DAMD5RO7EOPSCGWMBQ27O}

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	2026-05-17T23:45:49.366778Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31635e8c0c1f62ef91cf908d66061afb86076b97f5e99d12f324045561ca08bb

Aliases

arxiv: 1905.07551 · arxiv_version: 1905.07551v1 · doi: 10.48550/arxiv.1905.07551 · pith_short_12: GFRV5DAMD5RO · pith_short_16: GFRV5DAMD5RO7EOP · pith_short_8: GFRV5DAM

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/GFRV5DAMD5RO7EOPSCGWMBQ27O \
  | 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: 31635e8c0c1f62ef91cf908d66061afb86076b97f5e99d12f324045561ca08bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6d85374e5c18a3f3f295656873940b24261b770170336ad7a17918fb3a92c3f",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2019-05-18T08:08:30Z",
    "title_canon_sha256": "67fa8ca270cc9ed3ed45b851314079f596c83c69a9c6c9b0096c442d7fe60db8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.07551",
    "kind": "arxiv",
    "version": 1
  }
}