Pith Number

pith:DWGNA333

pith:2026:DWGNA333LBCYUIYDMH3LOKHLKB

not attested not anchored not stored refs pending

Fuzzy OWL 2 Reasoning: A Re-Engineered Python Framework

Fernando Bobillo, Gianmarco La Rosa, Giuseppe Filippone, Marco Elio Tabacchi, Umberto Straccia

arxiv:2606.19392 v1 · 2026-06-16 · math.GM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DWGNA333LBCYUIYDMH3LOKHLKB}

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	2026-06-19T16:12:24.398423Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d8cd06f7b58458a230361f6b728eb50695ce7827232d7333794bd35ff6d1b87

Aliases

arxiv: 2606.19392 · arxiv_version: 2606.19392v1 · doi: 10.48550/arxiv.2606.19392 · pith_short_12: DWGNA333LBCY · pith_short_16: DWGNA333LBCYUIYD · pith_short_8: DWGNA333

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/DWGNA333LBCYUIYDMH3LOKHLKB \
  | 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: 1d8cd06f7b58458a230361f6b728eb50695ce7827232d7333794bd35ff6d1b87

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33d1f078ea4f4c113160ee899e70d1d50e11d252364fa1c78b4a59754f5be0f3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GM",
    "submitted_at": "2026-06-16T12:03:41Z",
    "title_canon_sha256": "991c5b49a0d2bee3a6ebbff6c92e95859da4375786e555997449c22c30d70490"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.19392",
    "kind": "arxiv",
    "version": 1
  }
}