Pith Number

pith:KVKV3KZN

pith:2015:KVKV3KZN2EMO7UJZUFND4FRS37

not attested not anchored not stored refs pending

A Universal Point Set for 2-Outerplanar Graphs

Michael Kaufmann, Patrizio Angelini, Tamara Mchedlidze, Till Bruckdorfer

arxiv:1508.05784 v1 · 2015-08-24 · 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{KVKV3KZN2EMO7UJZUFND4FRS37}

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	2026-05-18T01:34:51.657394Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

55555dab2dd118efd139a15a3e1632dfcdc22a4417f9a0bd5a032b55d7fad138

Aliases

arxiv: 1508.05784 · arxiv_version: 1508.05784v1 · doi: 10.48550/arxiv.1508.05784 · pith_short_12: KVKV3KZN2EMO · pith_short_16: KVKV3KZN2EMO7UJZ · pith_short_8: KVKV3KZN

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/KVKV3KZN2EMO7UJZUFND4FRS37 \
  | 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: 55555dab2dd118efd139a15a3e1632dfcdc22a4417f9a0bd5a032b55d7fad138

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1a90eac78880700b7c029d9e2d064f2641679f04b41426ad8b8d023b7e10c54",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2015-08-24T12:36:48Z",
    "title_canon_sha256": "4b57f8435876cf4e6645046184e19f71d10c6051bf084fa35f84e212c4f1bf18"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.05784",
    "kind": "arxiv",
    "version": 1
  }
}