Pith Number

pith:2CFQHZMY

pith:2013:2CFQHZMYB2KNU3M342UOCJMQEG

not attested not anchored not stored refs pending

Extract ABox Modules for Efficient Ontology Querying

Jia Xu, Mansur Kabuka, Nigel John, Patrick Shironoshita, Ubbo Visser

arxiv:1305.4859 v4 · 2013-05-21 · 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{2CFQHZMYB2KNU3M342UOCJMQEG}

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	2026-05-18T02:50:00.927571Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d08b03e5980e94da6d9be6a8e1259021afbe7d6a439d4b822ccf67ab8902b0d9

Aliases

arxiv: 1305.4859 · arxiv_version: 1305.4859v4 · doi: 10.48550/arxiv.1305.4859 · pith_short_12: 2CFQHZMYB2KN · pith_short_16: 2CFQHZMYB2KNU3M3 · pith_short_8: 2CFQHZMY

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/2CFQHZMYB2KNU3M342UOCJMQEG \
  | 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: d08b03e5980e94da6d9be6a8e1259021afbe7d6a439d4b822ccf67ab8902b0d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5569175ebb122ab2fae2ef6278109005b0a9bd47042f58179ec3405898855bc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2013-05-21T15:35:03Z",
    "title_canon_sha256": "50b0a044ea526dcbaca131d5375862c2b7c430754296cdc899c166d012db08be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.4859",
    "kind": "arxiv",
    "version": 4
  }
}