Pith Number

pith:JOA3CNUD

pith:2025:JOA3CNUDJKUJZ6RJOW77O2PQ6V

not attested not anchored not stored refs pending

Minimum Non-Obtuse Triangulations: The CG:SHOP Challenge 2025

Dominik Krupke, Phillip Keldenich, S\'andor P. Fekete, Stefan Schirra

arxiv:2504.04412 v2 · 2025-04-06 · 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{JOA3CNUDJKUJZ6RJOW77O2PQ6V}

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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

Computing Non-Obtuse Triangulations with Few Steiner Points

Receipt and verification

First computed	2026-07-05T11:23:26.651609Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b81b136834aa89cfa2975bff769f0f5415eedbbad501afbba470102a3c10d08

Aliases

arxiv: 2504.04412 · arxiv_version: 2504.04412v2 · doi: 10.48550/arxiv.2504.04412 · pith_short_12: JOA3CNUDJKUJ · pith_short_16: JOA3CNUDJKUJZ6RJ · pith_short_8: JOA3CNUD

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/JOA3CNUDJKUJZ6RJOW77O2PQ6V \
  | 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: 4b81b136834aa89cfa2975bff769f0f5415eedbbad501afbba470102a3c10d08

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f49d228e11f80cf5ce487e14593e488580f7be0d74baf945fd3549ca325aa09a",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2025-04-06T08:38:54Z",
    "title_canon_sha256": "bd33f95b03aba3539e723c2eaeeea0404b4e03d1ac520a5eb919fcef0ef57481"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.04412",
    "kind": "arxiv",
    "version": 2
  }
}