Pith Number

pith:MWZU5EOT

pith:2019:MWZU5EOT2JK7EW4LG4WFNDAOKC

not attested not anchored not stored refs pending

Conjunctive Queries with Theta Joins Under Updates

Hannes Voigt, Mart\'in Ugarte, Muhammad Idris, Stijn Vansummeren, Wolfgang Lehner

arxiv:1905.09848 v1 · 2019-05-23 · 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{MWZU5EOT2JK7EW4LG4WFNDAOKC}

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	2026-05-17T23:45:14.323938Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

65b34e91d3d255f25b8b372c568c0e50ad245c58f38974f687e0c0e5ce314bc1

Aliases

arxiv: 1905.09848 · arxiv_version: 1905.09848v1 · doi: 10.48550/arxiv.1905.09848 · pith_short_12: MWZU5EOT2JK7 · pith_short_16: MWZU5EOT2JK7EW4L · pith_short_8: MWZU5EOT

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/MWZU5EOT2JK7EW4LG4WFNDAOKC \
  | 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: 65b34e91d3d255f25b8b372c568c0e50ad245c58f38974f687e0c0e5ce314bc1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "402035d58547386ea0fde678c386c64f8f4149bbe706bd14b8fa1bc39348adaf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2019-05-23T18:08:10Z",
    "title_canon_sha256": "78de11f1de116c8b9ead03ad556c82f6e2449fc96ff89f6eb9f12d458b7d7625"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.09848",
    "kind": "arxiv",
    "version": 1
  }
}