Pith Number

pith:6BZV7UEF

pith:2015:6BZV7UEFD7QSOOSJM5W64NOLPZ

not attested not anchored not stored refs pending

Test-Driven Development of ontologies (extended version)

Agnieszka Lawrynowicz, C. Maria Keet

arxiv:1512.06211 v1 · 2015-12-19 · 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{6BZV7UEFD7QSOOSJM5W64NOLPZ}

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	2026-05-18T01:24:04.826058Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f0735fd0851fe1273a49676dee35cb7e5ead2762b27e286e6d3aeb93dec5478f

Aliases

arxiv: 1512.06211 · arxiv_version: 1512.06211v1 · doi: 10.48550/arxiv.1512.06211 · pith_short_12: 6BZV7UEFD7QS · pith_short_16: 6BZV7UEFD7QSOOSJ · pith_short_8: 6BZV7UEF

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/6BZV7UEFD7QSOOSJM5W64NOLPZ \
  | 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: f0735fd0851fe1273a49676dee35cb7e5ead2762b27e286e6d3aeb93dec5478f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6caca79366a8c0807e00e81f35f2714b587a810152d50643ceb86025b83d7069",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2015-12-19T09:15:24Z",
    "title_canon_sha256": "79683792f64078362d372d28e9d0c8d44a18b4ac53b6ee7dab7599bae73c53f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.06211",
    "kind": "arxiv",
    "version": 1
  }
}