Pith Number

pith:UNHL5AMX

pith:2013:UNHL5AMXPH7JYL6RH7PI6XGII5

not attested not anchored not stored refs pending

A Fast Algorithm for Well-Spaced Points and Approximate Delaunay Graphs

Ameya Velingker, Donald R. Sheehy, Gary L. Miller

arxiv:1304.0524 v1 · 2013-04-02 · 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{UNHL5AMXPH7JYL6RH7PI6XGII5}

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	2026-05-18T03:29:15.169483Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a34ebe819779fe9c2fd13fde8f5cc847561fe0d05346285d29a0a646ae2137a0

Aliases

arxiv: 1304.0524 · arxiv_version: 1304.0524v1 · doi: 10.48550/arxiv.1304.0524 · pith_short_12: UNHL5AMXPH7J · pith_short_16: UNHL5AMXPH7JYL6R · pith_short_8: UNHL5AMX

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/UNHL5AMXPH7JYL6RH7PI6XGII5 \
  | 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: a34ebe819779fe9c2fd13fde8f5cc847561fe0d05346285d29a0a646ae2137a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7c53cbbf4ed15d17576d9676070f22d6f9f95febe2967f9b392cd6391189a4e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2013-04-02T03:53:46Z",
    "title_canon_sha256": "b79e1dcc0ef296691780b975b7e6145c462168b821abb18115cce99d36982c85"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.0524",
    "kind": "arxiv",
    "version": 1
  }
}