Pith Number

pith:QDCNJDBT

pith:2014:QDCNJDBTXPEJJVQZYFS5FTYRAC

not attested not anchored not stored refs pending

Worst-case Optimal Query Answering for Greedy Sets of Existential Rules and Their Subclasses

Jean-Fran\c{c}ois Baget, Marie-Laure Mugnier, Micha\"el Thomazo, Sebastian Rudolph

arxiv:1412.4485 v1 · 2014-12-15 · cs.AI · 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{QDCNJDBTXPEJJVQZYFS5FTYRAC}

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	2026-05-18T02:31:19.058247Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80c4d48c33bbc894d619c165d2cf1100b48d25161e682daba50792f4060a2e1a

Aliases

arxiv: 1412.4485 · arxiv_version: 1412.4485v1 · doi: 10.48550/arxiv.1412.4485 · pith_short_12: QDCNJDBTXPEJ · pith_short_16: QDCNJDBTXPEJJVQZ · pith_short_8: QDCNJDBT

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/QDCNJDBTXPEJJVQZYFS5FTYRAC \
  | 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: 80c4d48c33bbc894d619c165d2cf1100b48d25161e682daba50792f4060a2e1a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "370c3ecab467d4fc7d4f91973a3a04b3bef6f1db32c1f661dc80d87daf7d4e49",
    "cross_cats_sorted": [
      "cs.DB"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2014-12-15T07:46:19Z",
    "title_canon_sha256": "3a2a8e214a3124a932d3b3f013dc46bb4432a492102ef65db66afc32457745c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.4485",
    "kind": "arxiv",
    "version": 1
  }
}