Pith Number

pith:63C3HTWY

pith:2015:63C3HTWYNUJZZYEIMDUXUCXZCE

not attested not anchored not stored refs pending

Linear rank-width of distance-hereditary graphs II. Vertex-minor obstructions

Mamadou Moustapha Kant\'e, O-joung Kwon

arxiv:1508.04718 v2 · 2015-08-19 · 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{63C3HTWYNUJZZYEIMDUXUCXZCE}

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	2026-05-18T00:38:04.615963Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f6c5b3ced86d139ce08860e97a0af91136b121c913825fe834f0d1a143def7be

Aliases

arxiv: 1508.04718 · arxiv_version: 1508.04718v2 · doi: 10.48550/arxiv.1508.04718 · pith_short_12: 63C3HTWYNUJZ · pith_short_16: 63C3HTWYNUJZZYEI · pith_short_8: 63C3HTWY

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/63C3HTWYNUJZZYEIMDUXUCXZCE \
  | 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: f6c5b3ced86d139ce08860e97a0af91136b121c913825fe834f0d1a143def7be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2de2aca334cac23e16fcc42fa81dfc1d7b893a7e7272a5164adc4f279ccf0a53",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-08-19T17:48:27Z",
    "title_canon_sha256": "40e366aea1a2cb17bea977ff2d28ee27441dcc60d461ec1d101e5514dce4241d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.04718",
    "kind": "arxiv",
    "version": 2
  }
}