Pith Number

pith:74RYDDIC

pith:2016:74RYDDICTGVLFMG34OYASGYKON

not attested not anchored not stored refs pending

Theoretically Optimal Datalog Rewritings for OWL 2 QL Ontology-Mediated Queries

Meghyn Bienvenu, Michael Zakharyaschev, Roman Kontchakov, Stanislav Kikot, Vladimir V. Podolskii

arxiv:1604.05258 v1 · 2016-04-18 · 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{74RYDDICTGVLFMG34OYASGYKON}

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	2026-05-18T01:16:55.156892Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff23818d0299aab2b0dbe3b0091b0a7343a51007923e6c39804afabc36931e4d

Aliases

arxiv: 1604.05258 · arxiv_version: 1604.05258v1 · doi: 10.48550/arxiv.1604.05258 · pith_short_12: 74RYDDICTGVL · pith_short_16: 74RYDDICTGVLFMG3 · pith_short_8: 74RYDDIC

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/74RYDDICTGVLFMG34OYASGYKON \
  | 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: ff23818d0299aab2b0dbe3b0091b0a7343a51007923e6c39804afabc36931e4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76b77a2f030fcf6b687ff6068aeea877db835a7183d6ebcc56d14d5c4c195621",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2016-04-18T17:29:26Z",
    "title_canon_sha256": "0f0811bf3736c4be3179d6b3f4c6fa6ad2b19d848ef338ee1c3fe83f311e0a82"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.05258",
    "kind": "arxiv",
    "version": 1
  }
}