Pith Number

pith:SLU44N7Z

pith:2013:SLU44N7ZMAISJEEW7VTKSMKQI3

not attested not anchored not stored refs pending

Bar 1-Visibility Graphs and their relation to other Nearly Planar Graphs

Giuseppe Liotta, Michael Kaufmann, Stephen Wismath, Tamara Mchedlidze, William Evans, William Lenhart

arxiv:1312.5520 v1 · 2013-12-19 · cs.DS · cs.CG · math.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SLU44N7ZMAISJEEW7VTKSMKQI3}

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	2026-05-18T03:04:14.607141Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

92e9ce37f96011249096fd66a9315046caa90ae9b8394c137227b983c24c512b

Aliases

arxiv: 1312.5520 · arxiv_version: 1312.5520v1 · doi: 10.48550/arxiv.1312.5520 · pith_short_12: SLU44N7ZMAIS · pith_short_16: SLU44N7ZMAISJEEW · pith_short_8: SLU44N7Z

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/SLU44N7ZMAISJEEW7VTKSMKQI3 \
  | 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: 92e9ce37f96011249096fd66a9315046caa90ae9b8394c137227b983c24c512b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26a2b6a44744ea1e6eabb168dc6e3c318c4ba2e9af84c82903070606d56faaa1",
    "cross_cats_sorted": [
      "cs.CG",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2013-12-19T12:52:02Z",
    "title_canon_sha256": "07511dbc6c4f21d9aec0f5067477973ab7f02eef30cc905618db2173f0810e6f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.5520",
    "kind": "arxiv",
    "version": 1
  }
}