Pith Number

pith:NY6KJKTN

pith:2014:NY6KJKTNICUGTARYWMQFYZJTPW

not attested not anchored not stored refs pending

Query Rewriting and Optimization for Ontological Databases

Andreas Pieris, Georg Gottlob, Giorgio Orsi

arxiv:1405.2848 v1 · 2014-05-12 · cs.DB

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NY6KJKTNICUGTARYWMQFYZJTPW}

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	2026-05-18T02:52:04.667771Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e3ca4aa6d40a8698238b3205c65337db723ffbefb97a2fe30bdad449922ed21

Aliases

arxiv: 1405.2848 · arxiv_version: 1405.2848v1 · doi: 10.48550/arxiv.1405.2848 · pith_short_12: NY6KJKTNICUG · pith_short_16: NY6KJKTNICUGTARY · pith_short_8: NY6KJKTN

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/NY6KJKTNICUGTARYWMQFYZJTPW \
  | 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: 6e3ca4aa6d40a8698238b3205c65337db723ffbefb97a2fe30bdad449922ed21

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "977854ad859b7e681e9d06324fc3d23ff91c16c74e43973aa3486b4321e38869",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2014-05-12T17:34:45Z",
    "title_canon_sha256": "da13ffbd7e7c7c331f9fcca0a4376c4a22dd0b775e11d2a4802086ef8165404f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.2848",
    "kind": "arxiv",
    "version": 1
  }
}