Pith Number

pith:7OMVIVSS

pith:2019:7OMVIVSSCCSXSH5MF2TWC5ZKCV

not attested not anchored not stored refs pending

WebProt\'eg\'e: A Cloud-Based Ontology Editor

Csongor I. Nyulas, Mark A. Musen, Matthew Horridge, Rafael S. Gon\c{c}alves, Tania Tudorache

arxiv:1902.08251 v2 · 2019-02-21 · cs.IR · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7OMVIVSSCCSXSH5MF2TWC5ZKCV}

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	2026-05-17T23:51:57.016908Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb9954565210a5791fac2ea761772a157535fac14d8fc3276d9a5a7678841e58

Aliases

arxiv: 1902.08251 · arxiv_version: 1902.08251v2 · doi: 10.48550/arxiv.1902.08251 · pith_short_12: 7OMVIVSSCCSX · pith_short_16: 7OMVIVSSCCSXSH5M · pith_short_8: 7OMVIVSS

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/7OMVIVSSCCSXSH5MF2TWC5ZKCV \
  | 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: fb9954565210a5791fac2ea761772a157535fac14d8fc3276d9a5a7678841e58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ff08c47e8e23640cc1d03fb662c40b270c0439545daed78514939d622f3c7e8",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2019-02-21T20:25:46Z",
    "title_canon_sha256": "e76a34d4a3bf5c8c843593772b67a96e23b5b0ebe251118b84fd2452cac319fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.08251",
    "kind": "arxiv",
    "version": 2
  }
}