Pith Number

pith:7OM5YBJF

pith:2014:7OM5YBJFRWI6LOD7RKCPGNB7AD

not attested not anchored not stored refs pending

On the Succinctness of Query Rewriting over OWL 2 QL Ontologies with Shallow Chases

Michael Zakharyaschev, Roman Kontchakov, Stanislav Kikot, Vladimir Podolskii

arxiv:1401.4420 v2 · 2014-01-17 · 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{7OM5YBJFRWI6LOD7RKCPGNB7AD}

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	2026-05-18T03:01:33.086617Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb99dc05258d91e5b87f8a84f3343f00f779fc7b6806cfff5f669aaa0bd70eca

Aliases

arxiv: 1401.4420 · arxiv_version: 1401.4420v2 · doi: 10.48550/arxiv.1401.4420 · pith_short_12: 7OM5YBJFRWI6 · pith_short_16: 7OM5YBJFRWI6LOD7 · pith_short_8: 7OM5YBJF

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/7OM5YBJFRWI6LOD7RKCPGNB7AD \
  | 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: fb99dc05258d91e5b87f8a84f3343f00f779fc7b6806cfff5f669aaa0bd70eca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "620f4d6e4645c8c9d25d0398f0bfe94c33145a91451d71cd83eeffb84b1b7954",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2014-01-17T18:03:08Z",
    "title_canon_sha256": "60901dc49bf70c789bc83547270f20c9c99792cbda2a2e34402e5b8b9589df37"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.4420",
    "kind": "arxiv",
    "version": 2
  }
}