Pith Number

pith:L7A45FOU

pith:2016:L7A45FOUFUDRRBAQXIS2D5DYIS

not attested not anchored not stored refs pending

Counting and Enumerating Crossing-free Geometric Graphs

Manuel Wettstein

arxiv:1604.05350 v1 · 2016-04-18 · 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{L7A45FOUFUDRRBAQXIS2D5DYIS}

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	2026-05-18T01:16:54.224143Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5fc1ce95d42d07188410ba25a1f47844a56380fe7b6ba82dbef62bce81869014

Aliases

arxiv: 1604.05350 · arxiv_version: 1604.05350v1 · doi: 10.48550/arxiv.1604.05350 · pith_short_12: L7A45FOUFUDR · pith_short_16: L7A45FOUFUDRRBAQ · pith_short_8: L7A45FOU

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/L7A45FOUFUDRRBAQXIS2D5DYIS \
  | 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: 5fc1ce95d42d07188410ba25a1f47844a56380fe7b6ba82dbef62bce81869014

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff08a80429427b46eeb5a86ea977f3e327fe06f6e3e607c0576250502924ee12",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2016-04-18T21:03:31Z",
    "title_canon_sha256": "9dc8a57c6f4cdf504afe8ba5d8c4e8cc0128ac0692f38931f8a73d80e20adff1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.05350",
    "kind": "arxiv",
    "version": 1
  }
}