Pith Number

pith:F5ACMGDS

pith:2011:F5ACMGDSV34GBBPJKF3WXIRB72

not attested not anchored not stored refs pending

Efficient algorithm for the vertex connectivity of trapezoid graphs

Aleksandar Ilic

arxiv:1106.3037 v1 · 2011-06-15 · cs.DS · 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{F5ACMGDSV34GBBPJKF3WXIRB72}

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	2026-05-18T04:19:55.138544Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f40261872aef86085e951776ba221feb1f497fcd6b6247850dc5eb0db192729

Aliases

arxiv: 1106.3037 · arxiv_version: 1106.3037v1 · doi: 10.48550/arxiv.1106.3037 · pith_short_12: F5ACMGDSV34G · pith_short_16: F5ACMGDSV34GBBPJ · pith_short_8: F5ACMGDS

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/F5ACMGDSV34GBBPJKF3WXIRB72 \
  | 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: 2f40261872aef86085e951776ba221feb1f497fcd6b6247850dc5eb0db192729

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21a0c5e36de290bb5361be255feed6f8bc30d5fdaeedc0c359e8492422af5dd7",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2011-06-15T17:48:52Z",
    "title_canon_sha256": "3fcec575365d8d6aa4aeb866ac5eded2f8cdbaf47a3d61b9fa84317e4787fc8b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.3037",
    "kind": "arxiv",
    "version": 1
  }
}