Pith Number

pith:5ZETSI7I

pith:2018:5ZETSI7IL7OFFMV4X2SLX7TTR6

not attested not anchored not stored refs pending

Maximizing the Number of Spanning Trees in a Connected Graph

Huan Li, Stacy Patterson, Yuhao Yi, Zhongzhi Zhang

arxiv:1804.02785 v2 · 2018-04-09 · cs.DS · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5ZETSI7IL7OFFMV4X2SLX7TTR6}

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	2026-05-18T00:10:46.547914Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee493923e85fdc52b2bcbea4bbfe738f97681d42943a7894736be05ec459b480

Aliases

arxiv: 1804.02785 · arxiv_version: 1804.02785v2 · doi: 10.48550/arxiv.1804.02785 · pith_short_12: 5ZETSI7IL7OF · pith_short_16: 5ZETSI7IL7OFFMV4 · pith_short_8: 5ZETSI7I

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/5ZETSI7IL7OFFMV4X2SLX7TTR6 \
  | 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: ee493923e85fdc52b2bcbea4bbfe738f97681d42943a7894736be05ec459b480

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "835d540c762df2339ea4f791cd888aa5d4aee819fff93e131877c12fbe66d3a4",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-04-09T01:20:38Z",
    "title_canon_sha256": "37722ea89bb6b2ace1928880d9a5053532d7819d6421694fb24612ff4d2d6b80"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.02785",
    "kind": "arxiv",
    "version": 2
  }
}