Pith Number

pith:TMBVOP2K

pith:2015:TMBVOP2K2CDFRE737Q7C4LB2TH

not attested not anchored not stored refs pending

Subgraph Polytopes and Independence Polytopes of Count Matroids

Matthias Walter, Michele Conforti, Stefan Weltge, Volker Kaibel

arxiv:1502.02817 v2 · 2015-02-10 · cs.DM · 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{TMBVOP2K2CDFRE737Q7C4LB2TH}

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	2026-05-18T02:27:00.438197Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9b03573f4ad0865893fbfc3e2e2c3a99ffecbf03a294d23f883074f0f116f879

Aliases

arxiv: 1502.02817 · arxiv_version: 1502.02817v2 · doi: 10.48550/arxiv.1502.02817 · pith_short_12: TMBVOP2K2CDF · pith_short_16: TMBVOP2K2CDFRE73 · pith_short_8: TMBVOP2K

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/TMBVOP2K2CDFRE737Q7C4LB2TH \
  | 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: 9b03573f4ad0865893fbfc3e2e2c3a99ffecbf03a294d23f883074f0f116f879

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bbda91afd82a05c455e5bd6b1755f4c9e4e0a8512eb3117b825a5feeb14c6d88",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2015-02-10T09:08:42Z",
    "title_canon_sha256": "1b3361d47da4452ff88ecd1b534776f6d1a8fbcf31211b93b0285884f382428e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.02817",
    "kind": "arxiv",
    "version": 2
  }
}