Pith Number

pith:J62T2YJO

pith:2019:J62T2YJO55S4SHTETSUASWLI3T

not attested not anchored not stored refs pending

The Maximum Matroid of a Graph

Andrew Vince, Meera Sitharam

arxiv:1910.05390 v2 · 2019-10-11 · 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{J62T2YJO55S4SHTETSUASWLI3T}

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.

Cited by

1 paper in Pith

Algebraic Geometry of Cactus, Pascal, and Pappus Matroids

Receipt and verification

First computed	2026-07-05T02:26:46.204876Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4fb53d612eef65c91e649ca8095968dcdf4249aab51d7bf2096143a122f22577

Aliases

arxiv: 1910.05390 · arxiv_version: 1910.05390v2 · doi: 10.48550/arxiv.1910.05390 · pith_short_12: J62T2YJO55S4 · pith_short_16: J62T2YJO55S4SHTE · pith_short_8: J62T2YJO

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/J62T2YJO55S4SHTETSUASWLI3T \
  | 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: 4fb53d612eef65c91e649ca8095968dcdf4249aab51d7bf2096143a122f22577

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a41ad23cb65a0344cdc2820bc0022e7931fc9d94a53faf965cf2563396041f9b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2019-10-11T19:57:33Z",
    "title_canon_sha256": "64793b0214b3c3f28f0262070e9d071890105170d1c0f40680a1213f41c34ad3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.05390",
    "kind": "arxiv",
    "version": 2
  }
}