Pith Number

pith:5KODTHHE

pith:2018:5KODTHHEHORQDBGEANZKKQOXGZ

not attested not anchored not stored refs pending

Geodesic farthest-point Voronoi diagram in linear time

Luis Barba

arxiv:1809.01481 v2 · 2018-09-05 · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5KODTHHEHORQDBGEANZKKQOXGZ}

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	2026-05-18T00:06:17.920817Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea9c399ce43ba30184c40372a541d7364365254e3c024e32c662897a19d520b8

Aliases

arxiv: 1809.01481 · arxiv_version: 1809.01481v2 · doi: 10.48550/arxiv.1809.01481 · pith_short_12: 5KODTHHEHORQ · pith_short_16: 5KODTHHEHORQDBGE · pith_short_8: 5KODTHHE

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/5KODTHHEHORQDBGEANZKKQOXGZ \
  | 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: ea9c399ce43ba30184c40372a541d7364365254e3c024e32c662897a19d520b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b0d5220ecbaa183e2f89729e98ff5646b98034c1e2a01ff9fd696a2118ed560f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2018-09-05T13:20:43Z",
    "title_canon_sha256": "052c32da81ae09b5e8d1c4f6baea9230f5055bc4eba44a07da1783d2359b42da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.01481",
    "kind": "arxiv",
    "version": 2
  }
}