Pith Number

pith:ZP3UOJVG

pith:2012:ZP3UOJVGLB2Z2ERKMXCUH3HSBC

not attested not anchored not stored refs pending

A new edge selection heuristic for computing the Tutte polynomial of an undirected graph

Michael Monagan

arxiv:1209.5160 v1 · 2012-09-24 · cs.DM · cs.SC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZP3UOJVGLB2Z2ERKMXCUH3HSBC}

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	2026-05-18T03:44:59.034395Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cbf74726a658759d122a65c543ecf2089405621b2f43de4c960cbd5b24077b85

Aliases

arxiv: 1209.5160 · arxiv_version: 1209.5160v1 · doi: 10.48550/arxiv.1209.5160 · pith_short_12: ZP3UOJVGLB2Z · pith_short_16: ZP3UOJVGLB2Z2ERK · pith_short_8: ZP3UOJVG

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/ZP3UOJVGLB2Z2ERKMXCUH3HSBC \
  | 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: cbf74726a658759d122a65c543ecf2089405621b2f43de4c960cbd5b24077b85

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e03de17d9fcbc56de5090bbbc26a7b00c1016b5eade18364779bb045909c7a3",
    "cross_cats_sorted": [
      "cs.SC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2012-09-24T06:38:22Z",
    "title_canon_sha256": "5edd230b18b5c67466ad9442ae0bf719e401f7f603dfdb1b9ecfc8ff2ff5d20e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.5160",
    "kind": "arxiv",
    "version": 1
  }
}