Pith Number

pith:2K2GWTSC

pith:2025:2K2GWTSCS57VTH4VNYRBPKPINE

not attested not anchored not stored refs pending

Multivariate Tutte polynomials of semimatroids

Houshan Fu

arxiv:2508.00561 v1 · 2025-08-01 · 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{2K2GWTSCS57VTH4VNYRBPKPINE}

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

Convolution-type Identity for Characteristic Polynomials of Geometric Semilattices

Receipt and verification

First computed	2026-07-05T11:46:58.041560Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2b46b4e42977f599f956e2217a9e86924047bb4e60095bc9e8aea1d66313209

Aliases

arxiv: 2508.00561 · arxiv_version: 2508.00561v1 · doi: 10.48550/arxiv.2508.00561 · pith_short_12: 2K2GWTSCS57V · pith_short_16: 2K2GWTSCS57VTH4V · pith_short_8: 2K2GWTSC

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/2K2GWTSCS57VTH4VNYRBPKPINE \
  | 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: d2b46b4e42977f599f956e2217a9e86924047bb4e60095bc9e8aea1d66313209

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba5d9cf494390c2a437ff46852e27f2c75ab9042d866cb332134e59a2e9d6d90",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2025-08-01T12:01:37Z",
    "title_canon_sha256": "8c8e47af0fb830060b6f304f1008419ff2064c1e0720a79c5e235f450c5d228c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.00561",
    "kind": "arxiv",
    "version": 1
  }
}