Pith Number

pith:F6SXSJS7

pith:2023:F6SXSJS7ITLQQ2U3FDA7CL72PD

not attested not anchored not stored refs pending

On the density of matroids omitting a complete-graphic minor

Fernanda Rivera Omana, Peter Nelson, Sergey Norin

arxiv:2306.15061 v1 · 2023-06-26 · 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{F6SXSJS7ITLQQ2U3FDA7CL72PD}

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	2026-07-05T06:24:53.381217Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fa579265f44d7086a9b28c1f12ffa78d0d40ccc0d42dbc2893555b2af771639

Aliases

arxiv: 2306.15061 · arxiv_version: 2306.15061v1 · doi: 10.48550/arxiv.2306.15061 · pith_short_12: F6SXSJS7ITLQ · pith_short_16: F6SXSJS7ITLQQ2U3 · pith_short_8: F6SXSJS7

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/F6SXSJS7ITLQQ2U3FDA7CL72PD \
  | 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: 2fa579265f44d7086a9b28c1f12ffa78d0d40ccc0d42dbc2893555b2af771639

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a798b6a4cc1c9afd0f8553a54dd5edb8985f675dd4c873509ca58c3442299351",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2023-06-26T20:57:51Z",
    "title_canon_sha256": "a51bedfe244e47c259d0a605f6001dbfc6270d2f17c96e4811fcf0b46e6c70ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2306.15061",
    "kind": "arxiv",
    "version": 1
  }
}