Pith Number

pith:GOJQ5GEW

pith:2018:GOJQ5GEWZLODP5FZ27QGKPALJP

not attested not anchored not stored refs pending

On the intersection graph of the disks with diameters the sides of a convex $n$-gon

Luis H. Herrera, Pablo P\'erez-Lantero

arxiv:1805.10847 v1 · 2018-05-28 · 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{GOJQ5GEWZLODP5FZ27QGKPALJP}

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	2026-05-18T00:14:51.210607Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

33930e9896cadc37f4b9d7e0653c0b4bf531f24ede40d46b0f41afb6505f582b

Aliases

arxiv: 1805.10847 · arxiv_version: 1805.10847v1 · doi: 10.48550/arxiv.1805.10847 · pith_short_12: GOJQ5GEWZLOD · pith_short_16: GOJQ5GEWZLODP5FZ · pith_short_8: GOJQ5GEW

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/GOJQ5GEWZLODP5FZ27QGKPALJP \
  | 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: 33930e9896cadc37f4b9d7e0653c0b4bf531f24ede40d46b0f41afb6505f582b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f1ad9ce934a4c805cd8b67b659bb2a5c3602178df6809916eed5b7748812f37",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2018-05-28T10:03:58Z",
    "title_canon_sha256": "06693249c6e11ba85c7310f9e3663652b6f4556b7595e290cecfe631f0edf70c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.10847",
    "kind": "arxiv",
    "version": 1
  }
}