Pith Number

pith:H3WGISXL

pith:2013:H3WGISXLUFZHBBAJPWAAVFJMX4

not attested not anchored not stored refs pending

The Parameterised Complexity of Counting Connected Subgraphs and Graph Motifs

Kitty Meeks, Mark Jerrum

arxiv:1308.1575 v3 · 2013-08-07 · cs.CC · 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{H3WGISXLUFZHBBAJPWAAVFJMX4}

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	2026-05-18T02:37:43.010216Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3eec644aeba1727084097d800a952cbf1f8794eb1e3910f89b234402e593b757

Aliases

arxiv: 1308.1575 · arxiv_version: 1308.1575v3 · doi: 10.48550/arxiv.1308.1575 · pith_short_12: H3WGISXLUFZH · pith_short_16: H3WGISXLUFZHBBAJ · pith_short_8: H3WGISXL

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/H3WGISXLUFZHBBAJPWAAVFJMX4 \
  | 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: 3eec644aeba1727084097d800a952cbf1f8794eb1e3910f89b234402e593b757

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9078b772a1981b20dfcc844f2a34cb45f03c822809fb72d6fa8a6e8c67e445af",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2013-08-07T14:00:27Z",
    "title_canon_sha256": "5601948c572f26a2bcdd85f261661559c6353b1480144110dc922cf453a34291"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.1575",
    "kind": "arxiv",
    "version": 3
  }
}