Pith Number

pith:OVYMRAXO

pith:2023:OVYMRAXOLOFMEBSYAUBL6RNGI7

not attested not anchored not stored refs pending

Schubert matroids, Delannoy paths, and Speyer's invariant

Luis Ferroni

arxiv:2311.01397 v1 · 2023-11-02 · 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{OVYMRAXOLOFMEBSYAUBL6RNGI7}

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	2026-07-05T07:32:44.844211Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7570c882ee5b8ac206580502bf45a647d9c2399a349df95f4b87d7db4cd24486

Aliases

arxiv: 2311.01397 · arxiv_version: 2311.01397v1 · doi: 10.48550/arxiv.2311.01397 · pith_short_12: OVYMRAXOLOFM · pith_short_16: OVYMRAXOLOFMEBSY · pith_short_8: OVYMRAXO

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/OVYMRAXOLOFMEBSYAUBL6RNGI7 \
  | 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: 7570c882ee5b8ac206580502bf45a647d9c2399a349df95f4b87d7db4cd24486

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1f0bd2f8d41a8302790d951253f874a10876bde3b7ba8d09417183ec3e52aa4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2023-11-02T17:04:06Z",
    "title_canon_sha256": "221b7414638e2bcedefcc2e9e1c185ece351d08e1ffa519eb0e88ba873d39811"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2311.01397",
    "kind": "arxiv",
    "version": 1
  }
}