Pith Number

pith:4GUOJU7V

pith:2017:4GUOJU7VJL3BZPF3F7J3FLLFSM

not attested not anchored not stored refs pending

Drawing Planar Graphs with Few Geometric Primitives

Andr\'e Schulz, Gregor H\"ultenschmidt, Philipp Kindermann, Wouter Meulemans

arxiv:1703.01691 v4 · 2017-03-05 · 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{4GUOJU7VJL3BZPF3F7J3FLLFSM}

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	2026-05-18T00:06:20.967334Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1a8e4d3f54af61cbcbb2fd3b2ad65932a69969a670322c3bf21eca70f8944fd

Aliases

arxiv: 1703.01691 · arxiv_version: 1703.01691v4 · doi: 10.48550/arxiv.1703.01691 · pith_short_12: 4GUOJU7VJL3B · pith_short_16: 4GUOJU7VJL3BZPF3 · pith_short_8: 4GUOJU7V

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/4GUOJU7VJL3BZPF3F7J3FLLFSM \
  | 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: e1a8e4d3f54af61cbcbb2fd3b2ad65932a69969a670322c3bf21eca70f8944fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7aa089992fb70276405ac52aeb8ff2568bd346fa5fafce9d1e2d33acf08d0a8f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2017-03-05T23:29:51Z",
    "title_canon_sha256": "354245235e606d404caf3e3855ef63686c8fc563ffb0168c087686d33dac9c29"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.01691",
    "kind": "arxiv",
    "version": 4
  }
}