pith. sign in
Pith Number

pith:EFPAVNQF

pith:2015:EFPAVNQFHSIRK2LRKAXWYEKBUO
not attested not anchored not stored refs pending

Parallel-Correctness and Containment for Conjunctive Queries with Union and Negation

Bas Ketsman, Frank Neven, Gaetano Geck, Thomas Schwentick

arxiv:1512.06246 v1 · 2015-12-19 · cs.DB

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{EFPAVNQFHSIRK2LRKAXWYEKBUO}

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 2026-05-18T01:24:01.050602Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

215e0ab6053c91156971502f6c1141a3a1994c7bc7c8ed181ec674c681a8d3a5

Aliases

arxiv: 1512.06246 · arxiv_version: 1512.06246v1 · doi: 10.48550/arxiv.1512.06246 · pith_short_12: EFPAVNQFHSIR · pith_short_16: EFPAVNQFHSIRK2LR · pith_short_8: EFPAVNQF
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/EFPAVNQFHSIRK2LRKAXWYEKBUO \
  | 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: 215e0ab6053c91156971502f6c1141a3a1994c7bc7c8ed181ec674c681a8d3a5
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "e54fa097187a8b84acfa081788f7f36594a4544709381c1ac45961e906d51f2e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2015-12-19T13:18:24Z",
    "title_canon_sha256": "8028a87ad5e7c197009de2100d5799c56381cb6420cb109b3523f4bd8521b6c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.06246",
    "kind": "arxiv",
    "version": 1
  }
}