Pith Number

pith:OQ4KSHKY

pith:2018:OQ4KSHKYOAO5YYKGNAW7DM57W6

not attested not anchored not stored refs pending

Adaptive Geospatial Joins for Modern Hardware

Alfons Kemper, Andreas Kipf, Harald Lang, Peter Boncz, Raul Alexandru Persa, Thomas Neumann, Varun Pandey

arxiv:1802.09488 v1 · 2018-02-26 · 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{OQ4KSHKYOAO5YYKGNAW7DM57W6}

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	2026-05-18T00:22:33.612178Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7438a91d58701ddc6146682df1b3bfb7b20f3af65b99fb7a9f62b23949ded22f

Aliases

arxiv: 1802.09488 · arxiv_version: 1802.09488v1 · doi: 10.48550/arxiv.1802.09488 · pith_short_12: OQ4KSHKYOAO5 · pith_short_16: OQ4KSHKYOAO5YYKG · pith_short_8: OQ4KSHKY

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/OQ4KSHKYOAO5YYKGNAW7DM57W6 \
  | 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: 7438a91d58701ddc6146682df1b3bfb7b20f3af65b99fb7a9f62b23949ded22f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68f084f5c2b670746ca28843b345966ef70bb7f30e5470cb165c1d00fea14b95",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2018-02-26T18:11:36Z",
    "title_canon_sha256": "fff1bbe8fb307c0f0cb6551358a7cd010e163a752ce8304a44357a1cde89bba1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.09488",
    "kind": "arxiv",
    "version": 1
  }
}