Pith Number

pith:KUHHZW7W

pith:2021:KUHHZW7W7QLSPCNY24Z5V3SQJP

not attested not anchored not stored refs pending

One-Bend Drawings of Outerplanar Graphs Inside Simple Polygons

Andre L\"offler, Antonios Symvonis, Lena Schlipf, Patrizio Angelini, Philipp Kindermann

arxiv:2108.12321 v1 · 2021-08-27 · 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{KUHHZW7W7QLSPCNY24Z5V3SQJP}

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	2026-07-05T03:09:24.524870Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

550e7cdbf6fc172789b8d733daee504bfc0b726139903ac8b5c62a377acb6462

Aliases

arxiv: 2108.12321 · arxiv_version: 2108.12321v1 · doi: 10.48550/arxiv.2108.12321 · pith_short_12: KUHHZW7W7QLS · pith_short_16: KUHHZW7W7QLSPCNY · pith_short_8: KUHHZW7W

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/KUHHZW7W7QLSPCNY24Z5V3SQJP \
  | 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: 550e7cdbf6fc172789b8d733daee504bfc0b726139903ac8b5c62a377acb6462

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a2bf8abbbf35cd3a19bfe9cf6ac04f440adbaf38faec8773b52639102b8e899",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2021-08-27T14:55:16Z",
    "title_canon_sha256": "63b85a47ed11c63d31c02b029e41d90a345b24c8004f948c69a859d4d2c09ac9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.12321",
    "kind": "arxiv",
    "version": 1
  }
}