Pith Number

pith:OF74MIKW

pith:2026:OF74MIKW2WNDPOKM43WHBJKNPV

not attested not anchored not stored refs pending

Accelerating Point-in-Polygon Predicates via Algebraic Hash-Joins and Discrete Global Grids at Scale

Levente Juhasz

arxiv:2607.08956 v1 · 2026-07-09 · 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{OF74MIKW2WNDPOKM43WHBJKNPV}

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	2026-07-13T00:17:29.636840Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

717fc62156d59a37b94ce6ec70a54d7d712f5d0972220341f724d44785badc6e

Aliases

arxiv: 2607.08956 · arxiv_version: 2607.08956v1 · doi: 10.48550/arxiv.2607.08956 · pith_short_12: OF74MIKW2WND · pith_short_16: OF74MIKW2WNDPOKM · pith_short_8: OF74MIKW

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/OF74MIKW2WNDPOKM43WHBJKNPV \
  | 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: 717fc62156d59a37b94ce6ec70a54d7d712f5d0972220341f724d44785badc6e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "584a89c0da7d0009eec008328ee4629d4dc02d8daa1c61b4c4dc1dc756ea6465",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2026-07-09T21:29:08Z",
    "title_canon_sha256": "3125e0946efa4ab98fa6d72845c0fb653a8ffab81292f00a78eccce3c09a975c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.08956",
    "kind": "arxiv",
    "version": 1
  }
}