Pith Number

pith:DYQDSUAP

pith:2016:DYQDSUAPLU5ENLZ7WCDXQUGHOK

not attested not anchored not stored refs pending

Computing Nonsimple Polygons of Minimum Perimeter

Andreas Haas, Arne Schmidt, Christiane Schmidt, Dominik Krupke, Florian Maurer, Irina Kostitsyna, Joseph S. B. Mitchell, Julian Troegel, Michael Hemmer, Michael Hoffmann, S\'andor P. Fekete

arxiv:1603.07077 v1 · 2016-03-23 · 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{DYQDSUAPLU5ENLZ7WCDXQUGHOK}

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	2026-05-18T01:18:24.535481Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e2039500f5d3a46af3fb0877850c77286507daac77d314a7ac8737c3567f88d

Aliases

arxiv: 1603.07077 · arxiv_version: 1603.07077v1 · doi: 10.48550/arxiv.1603.07077 · pith_short_12: DYQDSUAPLU5E · pith_short_16: DYQDSUAPLU5ENLZ7 · pith_short_8: DYQDSUAP

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/DYQDSUAPLU5ENLZ7WCDXQUGHOK \
  | 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: 1e2039500f5d3a46af3fb0877850c77286507daac77d314a7ac8737c3567f88d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e7dfeda8a8ee5ad145985179914e1011ede06d89e1cf6c9197d9148910e94d6",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2016-03-23T06:25:07Z",
    "title_canon_sha256": "8948eb35cf9caeff71715dd0831973f011ba46521d1e6900bc470764b4da4b07"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.07077",
    "kind": "arxiv",
    "version": 1
  }
}