Pith Number

pith:2DUWWBAI

pith:2015:2DUWWBAIL3K2IZ437WSMN7ZIMJ

not attested not anchored not stored refs pending

An Optimal Algorithm for Reconstructing Point Set Order Types from Radial Orderings

Alexander Pilz, Manuel Wettstein, Oswin Aichholzer, Vincent Kusters, Wolfgang Mulzer

arxiv:1507.08080 v2 · 2015-07-29 · cs.CG · 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{2DUWWBAIL3K2IZ437WSMN7ZIMJ}

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	2026-05-18T00:35:09.607446Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0e96b04085ed5a4679bfda4c6ff2862594fe910962bad9921166d8f9f3a6176

Aliases

arxiv: 1507.08080 · arxiv_version: 1507.08080v2 · doi: 10.48550/arxiv.1507.08080 · pith_short_12: 2DUWWBAIL3K2 · pith_short_16: 2DUWWBAIL3K2IZ43 · pith_short_8: 2DUWWBAI

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/2DUWWBAIL3K2IZ437WSMN7ZIMJ \
  | 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: d0e96b04085ed5a4679bfda4c6ff2862594fe910962bad9921166d8f9f3a6176

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4dd0d8d546cc69a49589d5040cee124c5c6c51d5f9ec1b8420d7ca31471c32a",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2015-07-29T09:50:06Z",
    "title_canon_sha256": "8187dee8dce7928ecad1c8981ce388124b5ac5b2a0f3c18ae44eb1671c0c7ef4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.08080",
    "kind": "arxiv",
    "version": 2
  }
}