Pith Number

pith:2AKJIT5S

pith:2012:2AKJIT5SZXQU3PVYGZUUMVT4XH

not attested not anchored not stored refs pending

Leapfrog Triejoin: a worst-case optimal join algorithm

Todd L. Veldhuizen

arxiv:1210.0481 v5 · 2012-10-01 · cs.DB · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2AKJIT5SZXQU3PVYGZUUMVT4XH}

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.

Cited by

1 paper in Pith

BaCon: Efficient Batch Processing of Counting Queries [Full Version]

Receipt and verification

First computed	2026-05-18T03:04:13.985457Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d014944fb2cde14dbeb8366946567cb9c659032ca44e6b78a1f91170f7868784

Aliases

arxiv: 1210.0481 · arxiv_version: 1210.0481v5 · doi: 10.48550/arxiv.1210.0481 · pith_short_12: 2AKJIT5SZXQU · pith_short_16: 2AKJIT5SZXQU3PVY · pith_short_8: 2AKJIT5S

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/2AKJIT5SZXQU3PVYGZUUMVT4XH \
  | 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: d014944fb2cde14dbeb8366946567cb9c659032ca44e6b78a1f91170f7868784

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30e426af11d611607b7619050b327342a07204842d23012a35a7ef2aab7198e8",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2012-10-01T17:54:13Z",
    "title_canon_sha256": "b3b9a03ada4a31cb38c4f476c5260e16b161986e1ca6e99f2c2d5aaa2f5bfaba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.0481",
    "kind": "arxiv",
    "version": 5
  }
}