Pith Number

pith:BCJHA3DZ

pith:2022:BCJHA3DZI7KJAT3FMDLWUQCPDA

not attested not anchored not stored refs pending

Valuative invariants for large classes of matroids

Benjamin Schr\"oter, Luis Ferroni

arxiv:2208.04893 v4 · 2022-08-09 · math.CO · math.AC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BCJHA3DZI7KJAT3FMDLWUQCPDA}

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

Graph theoretic properties of Speyer's matroid polynomial $g_M(t)$

Receipt and verification

First computed	2026-07-05T09:05:29.411739Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0892706c7947d4904f6560d76a404f182c31cf8a4f0dbb959f496bcc8bc3cef1

Aliases

arxiv: 2208.04893 · arxiv_version: 2208.04893v4 · doi: 10.48550/arxiv.2208.04893 · pith_short_12: BCJHA3DZI7KJ · pith_short_16: BCJHA3DZI7KJAT3F · pith_short_8: BCJHA3DZ

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/BCJHA3DZI7KJAT3FMDLWUQCPDA \
  | 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: 0892706c7947d4904f6560d76a404f182c31cf8a4f0dbb959f496bcc8bc3cef1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b893445ca667a05afbed6e5b6d46f83c4792e1227e85991e00c0385d638de291",
    "cross_cats_sorted": [
      "math.AC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2022-08-09T16:50:04Z",
    "title_canon_sha256": "cb9e6f270555c74ea85a2498dc12b4dcecdfc8be3177f64bf80483ed29ebcdd3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.04893",
    "kind": "arxiv",
    "version": 4
  }
}