Pith Number

pith:KEVHLZOM

pith:2024:KEVHLZOMS2AHRQZT76KIROVTFQ

not attested not anchored not stored refs pending

A Comprehensive Tutorial on over 100 Years of Diagrammatic Representations of Logical Statements and Relational Queries

Wolfgang Gatterbauer

arxiv:2404.00007 v1 · 2024-03-05 · cs.DB · 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{KEVHLZOMS2AHRQZT76KIROVTFQ}

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	2026-07-05T08:02:26.418844Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

512a75e5cc968078c333ff9488bab32c272a606894c7e60d5ab50104ecd3b30f

Aliases

arxiv: 2404.00007 · arxiv_version: 2404.00007v1 · doi: 10.48550/arxiv.2404.00007 · pith_short_12: KEVHLZOMS2AH · pith_short_16: KEVHLZOMS2AHRQZT · pith_short_8: KEVHLZOM

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/KEVHLZOMS2AHRQZT76KIROVTFQ \
  | 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: 512a75e5cc968078c333ff9488bab32c272a606894c7e60d5ab50104ecd3b30f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d8967e93559706c6fa047a5715548b1ce07b8150475c46d7629a5406317cc7e",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2024-03-05T04:27:35Z",
    "title_canon_sha256": "9fba1a268a84c4700d80f2ab48f8cc0d5f2c17b9d0f545a0f9c7669c3c193145"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2404.00007",
    "kind": "arxiv",
    "version": 1
  }
}