Pith Number

pith:NKQFRLPP

pith:2010:NKQFRLPPG2YLTXGNE6D4NSCRVN

not attested not anchored not stored refs pending

Drawing Graphs in the Plane with a Prescribed Outer Face and Polynomial Area

David Eppstein, Erin W. Chambers, Maarten L\"offler, Michael T. Goodrich

arxiv:1009.0088 v1 · 2010-09-01 · 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{NKQFRLPPG2YLTXGNE6D4NSCRVN}

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	2026-05-18T04:01:13.375376Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6aa058adef36b0b9dccd2787c6c851ab46b50551b36e8a17f24154a4b4f3a091

Aliases

arxiv: 1009.0088 · arxiv_version: 1009.0088v1 · doi: 10.48550/arxiv.1009.0088 · pith_short_12: NKQFRLPPG2YL · pith_short_16: NKQFRLPPG2YLTXGN · pith_short_8: NKQFRLPP

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/NKQFRLPPG2YLTXGNE6D4NSCRVN \
  | 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: 6aa058adef36b0b9dccd2787c6c851ab46b50551b36e8a17f24154a4b4f3a091

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84b51af2ecd176c7cf14a0664bd47d4431ab75953809d02ca09668d3f7e3c1d4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2010-09-01T04:43:43Z",
    "title_canon_sha256": "8090aedc55c8e096f2af1f17097366372897a549dcf89f92178f5bce9600ac97"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.0088",
    "kind": "arxiv",
    "version": 1
  }
}