Pith Number

pith:HQSNJNSY

pith:2014:HQSNJNSYXZXGQWKHHL7EDHYSEN

not attested not anchored not stored refs pending

Courcelle's theorem for triangulations

Benjamin A. Burton, Rodney G. Downey

arxiv:1403.2926 v1 · 2014-03-12 · math.GT · cs.CC · 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{HQSNJNSYXZXGQWKHHL7EDHYSEN}

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	2026-05-18T02:56:33.568248Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c24d4b658be6e6859473afe419f12235f158a01dead7ce313b1fd6cb95902e7

Aliases

arxiv: 1403.2926 · arxiv_version: 1403.2926v1 · doi: 10.48550/arxiv.1403.2926 · pith_short_12: HQSNJNSYXZXG · pith_short_16: HQSNJNSYXZXGQWKH · pith_short_8: HQSNJNSY

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/HQSNJNSYXZXGQWKHHL7EDHYSEN \
  | 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: 3c24d4b658be6e6859473afe419f12235f158a01dead7ce313b1fd6cb95902e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb824ecb659fdc2195d9af9ef804b9deddf01c9b30fa8b58fa9bb534ff82720a",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.CG",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2014-03-12T13:31:37Z",
    "title_canon_sha256": "ca653e4777e058c0533d9810513c7f45c26005fbfc3ca1c41d1e5adb54b5d708"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.2926",
    "kind": "arxiv",
    "version": 1
  }
}