Pith Number

pith:HK2HKMUD

pith:2019:HK2HKMUDXTMCKNHWBAMMOWHU2R

not attested not anchored not stored refs pending

Completing and Debugging Ontologies: state of the art and challenges

Patrick Lambrix

arxiv:1908.03171 v2 · 2019-08-08 · cs.AI · 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{HK2HKMUDXTMCKNHWBAMMOWHU2R}

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	2026-07-05T06:15:40.531108Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ab4753283bcd82534f60818c758f4d461e5d0d074ce79ebd22e15af29f956fd

Aliases

arxiv: 1908.03171 · arxiv_version: 1908.03171v2 · doi: 10.48550/arxiv.1908.03171 · pith_short_12: HK2HKMUDXTMC · pith_short_16: HK2HKMUDXTMCKNHW · pith_short_8: HK2HKMUD

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/HK2HKMUDXTMCKNHWBAMMOWHU2R \
  | 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: 3ab4753283bcd82534f60818c758f4d461e5d0d074ce79ebd22e15af29f956fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c075d1263dec76faacd9e196afd8afb7ee2917a5d5883a61df8449dfd16fa438",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2019-08-08T17:02:37Z",
    "title_canon_sha256": "9a5cca443d7cce6e43857ca51506eee5e6eb018a86ea3e8ad0d34c50e2d76432"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.03171",
    "kind": "arxiv",
    "version": 2
  }
}