Pith Number

pith:L3WRYBC2

pith:2022:L3WRYBC2OJL2W55TKJSKMQIJUI

not attested not anchored not stored refs pending

A note on graph drawings with star-shaped boundaries in the plane

Yanwen Luo

arxiv:2204.10831 v1 · 2022-04-22 · cs.CG · math.GN

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L3WRYBC2OJL2W55TKJSKMQIJUI}

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	2026-07-05T04:17:01.482757Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5eed1c045a7257ab77b35264a64109a239fea9315224e3b5788bd810fa5174c7

Aliases

arxiv: 2204.10831 · arxiv_version: 2204.10831v1 · doi: 10.48550/arxiv.2204.10831 · pith_short_12: L3WRYBC2OJL2 · pith_short_16: L3WRYBC2OJL2W55T · pith_short_8: L3WRYBC2

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/L3WRYBC2OJL2W55TKJSKMQIJUI \
  | 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: 5eed1c045a7257ab77b35264a64109a239fea9315224e3b5788bd810fa5174c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9404d425148ecee635ab7116d906f46d3d483d8dc8b5d7f19b4dd89f09c46aaa",
    "cross_cats_sorted": [
      "math.GN"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2022-04-22T17:22:03Z",
    "title_canon_sha256": "ae33aa36e7b97517caa1d8fdf2ae82f046108dacfe1b876d6948e5f855c24bf1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.10831",
    "kind": "arxiv",
    "version": 1
  }
}