Pith Number

pith:7B2B4776

pith:2010:7B2B47766NJOGKNSG2K4PDVRAK

not attested not anchored not stored refs pending

Creating a new Ontology: a Modular Approach

Fons J. Verbeek, Julia Dmitrieva

arxiv:1012.1658 v1 · 2010-12-08 · 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{7B2B47766NJOGKNSG2K4PDVRAK}

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	2026-05-18T02:23:07.822817Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8741e7ffef352e329b23695c78eb102b40c08d02b0349604e0327535c7b1635

Aliases

arxiv: 1012.1658 · arxiv_version: 1012.1658v1 · doi: 10.48550/arxiv.1012.1658 · pith_short_12: 7B2B47766NJO · pith_short_16: 7B2B47766NJOGKNS · pith_short_8: 7B2B4776

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/7B2B47766NJOGKNSG2K4PDVRAK \
  | 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: f8741e7ffef352e329b23695c78eb102b40c08d02b0349604e0327535c7b1635

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25d68f84ac8ce3754f0eb4a143ab27cd72a554be4f315528d376e219d026e3fe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2010-12-08T00:41:20Z",
    "title_canon_sha256": "25d68f84ac8ce3754f0eb4a143ab27cd72a554be4f315528d376e219d026e3fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.1658",
    "kind": "arxiv",
    "version": 1
  }
}