Pith Number

pith:USUXVRD6

pith:2019:USUXVRD6HZNJ4UCPOVFZFSQ7JX

not attested not anchored not stored refs pending

The logic of vague categories

Alessandra Palmigiano, Apostolos Tzimoulis, Claudette Robinson, Nachoem M. Wijnberg, Willem Conradie

arxiv:1908.04816 v1 · 2019-08-13 · 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{USUXVRD6HZNJ4UCPOVFZFSQ7JX}

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.

Cited by

1 paper in Pith

Fuzzy Lattice-based Description Logic

Receipt and verification

First computed	2026-07-04T23:55:57.191041Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4a97ac47e3e5a9e504f754b92ca1f4dd8cf960a341055d507e49375a04c47d4

Aliases

arxiv: 1908.04816 · arxiv_version: 1908.04816v1 · doi: 10.48550/arxiv.1908.04816 · pith_short_12: USUXVRD6HZNJ · pith_short_16: USUXVRD6HZNJ4UCP · pith_short_8: USUXVRD6

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/USUXVRD6HZNJ4UCPOVFZFSQ7JX \
  | 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: a4a97ac47e3e5a9e504f754b92ca1f4dd8cf960a341055d507e49375a04c47d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e10d2bb5e3f977e07e6ec313b795688174e9e3a9dd2b456a072a40a54727382c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2019-08-13T18:42:05Z",
    "title_canon_sha256": "cebaf8ef42847defef21cdd04c306199be9c437ca14e8f1965b33eb63f4b5d39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.04816",
    "kind": "arxiv",
    "version": 1
  }
}