Pith Number

pith:A44XAUIU

pith:2015:A44XAUIUDXD2OSFRDGOOK5PORV

not attested not anchored not stored refs pending

Recognizing and Drawing IC-planar Graphs

Fabrizio Montecchiani, Franz J. Brandenburg, Giuseppe Liotta, Philipp Kindermann, Walter Didimo, William S. Evans

arxiv:1509.00388 v2 · 2015-09-01 · 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{A44XAUIUDXD2OSFRDGOOK5PORV}

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	2026-05-18T01:10:59.895933Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07397051141dc7a748b1199ce575ee8d6457cb0ac9cfe31fbe6421db0d0a0751

Aliases

arxiv: 1509.00388 · arxiv_version: 1509.00388v2 · doi: 10.48550/arxiv.1509.00388 · pith_short_12: A44XAUIUDXD2 · pith_short_16: A44XAUIUDXD2OSFR · pith_short_8: A44XAUIU

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/A44XAUIUDXD2OSFRDGOOK5PORV \
  | 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: 07397051141dc7a748b1199ce575ee8d6457cb0ac9cfe31fbe6421db0d0a0751

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "985f03b79f905920a14cf2ad67fdfa675237ec714dcc1498a41e0dc32f27d219",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2015-09-01T16:54:16Z",
    "title_canon_sha256": "7b7d85a4d76b1ab29fc23fd63e1d67860f7f55f91a4256d218cb8da1dcae7586"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.00388",
    "kind": "arxiv",
    "version": 2
  }
}