Pith Number

pith:4JUG4OVC

pith:2010:4JUG4OVCWC4LACFGNX7UXGMGRN

not attested not anchored not stored refs pending

Populous: A tool for populating ontology templates

Joost Schanstra, Julie Klein, Katy Wolstencroft, Luigi Iannone, Matthew Horridge, Robert Stevens, Simon Jupp, Stuart Owen

arxiv:1012.1745 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{4JUG4OVCWC4LACFGNX7UXGMGRN}

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	2026-05-18T04:33:51.323903Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2686e3aa2b0b8b008a66dff4b99868b6ceb42cc46393644171fe577c47ec1f3

Aliases

arxiv: 1012.1745 · arxiv_version: 1012.1745v1 · doi: 10.48550/arxiv.1012.1745 · pith_short_12: 4JUG4OVCWC4L · pith_short_16: 4JUG4OVCWC4LACFG · pith_short_8: 4JUG4OVC

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/4JUG4OVCWC4LACFGNX7UXGMGRN \
  | 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: e2686e3aa2b0b8b008a66dff4b99868b6ceb42cc46393644171fe577c47ec1f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "361cc91035be80978fff8c4847e390a854bf634ec2cb4f0c519bdeaca3bfee77",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2010-12-08T11:55:06Z",
    "title_canon_sha256": "7fe16970bea070800fa4b6d3678a9ca18347455cf28438815862b2f3cb322c12"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.1745",
    "kind": "arxiv",
    "version": 1
  }
}