Pith Number

pith:JKFDE6HW

pith:2019:JKFDE6HWWQ4AIAHDV3JXPREHOL

not attested not anchored not stored refs pending

Learning Ontologies with Epistemic Reasoning: The EL Case

Ana Ozaki, Nicolas Troquard

arxiv:1902.03273 v1 · 2019-02-08 · cs.AI · cs.LG · 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{JKFDE6HWWQ4AIAHDV3JXPREHOL}

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	2026-05-17T23:54:21.422016Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a8a3278f6b4380400e3aed377c48772c2260a1d945ee09ae69298ab8b2a209a

Aliases

arxiv: 1902.03273 · arxiv_version: 1902.03273v1 · doi: 10.48550/arxiv.1902.03273 · pith_short_12: JKFDE6HWWQ4A · pith_short_16: JKFDE6HWWQ4AIAHD · pith_short_8: JKFDE6HW

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/JKFDE6HWWQ4AIAHDV3JXPREHOL \
  | 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: 4a8a3278f6b4380400e3aed377c48772c2260a1d945ee09ae69298ab8b2a209a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8103f2574411ea269bc512635c1d09d69ee645d8eda156cb9d41105e8f2f6dee",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2019-02-08T20:06:36Z",
    "title_canon_sha256": "8e17c17100e52cfdbbf56ac995f35a215c506572a9e223604fbe29fba8033db4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.03273",
    "kind": "arxiv",
    "version": 1
  }
}